Chess Puzzles

1401-1470
Mate in Two
Black to Move
László Polgár
 Links
1401 1402 1403 1404 1405 1406 1407 1408 1409 1410
1411 1412 1413 1414 1415 1416 1417 1418 1419 1420
1421 1422 1423 1424 1425 1426 1427 1428 1429 1430
1431 1432 1433 1434 1435 1436 1437 1438 1439 1440
1441 1442 1443 1444 1445 1446 1447 1448 1449 1450
1451 1452 1453 1454 1455 1456 1457 1458 1459 1460
1461 1462 1463 1464 1465 1466 1467 1468 1469 1470
1401

8
0ZkZ0Z0Z
7
opo0Z0op
6
0Z0ZrZ0Z
5
Z0A0Z0Z0
4
0Z0s0Z0Z
3
ZBZ0ZPZb
2
PZQZPO0O
1
Z0Z0Z0JR
a b c d e f g h
1401

8
0ZkZ0Z0Z
7
opo0Z0op
6
0Z0ZrZ0Z
5
Z0A0Z0Z0
4
0Z0Z0Z0Z
3
ZBZ0ZPZb
2
PZQZPO0O
1
Z0ZrZ0JR
a b c d e f g h

– Rd1+
QXd1, Rg6
1402

8
0Zks0Z0Z
7
lba0ZQZ0
6
0Z0Z0Z0Z
5
ZBZ0Z0Zp
4
0Z0Z0O0Z
3
Z0opA0Z0
2
0ZPZ0JPO
1
Z0Z0Z0S0
a b c d e f g h
1402

8
0Zks0Z0Z
7
Zba0ZQZ0
6
0Z0Z0Z0Z
5
ZBZ0Z0Zp
4
0Z0Z0O0Z
3
Z0opl0Z0
2
0ZPZ0JPO
1
Z0Z0Z0S0
a b c d e f g h

– QXe3+
If KXe3, Bb6. If Kf1, Qe2.
1403

8
0Z0Z0skZ
7
opZ0Z0o0
6
0ZpZ0ZQo
5
Z0Z0Z0Z0
4
0lbONZ0Z
3
Z0Z0ZNZ0
2
PO0Z0ZPO
1
Z0Z0S0J0
a b c d e f g h
1403

8
0Z0Z0skZ
7
opZ0Z0o0
6
0ZpZ0ZQo
5
Z0Z0Z0Z0
4
0ZbONZ0Z
3
Z0Z0ZNZ0
2
PO0Z0ZPO
1
Z0Z0l0J0
a b c d e f g h

– QXe1+
NXe1, Rf1
1404

8
0Zks0ZrZ
7
opo0Z0l0
6
0Z0ZpZ0Z
5
OPZpO0Zp
4
0Z0O0o0m
3
Z0O0Z0ZP
2
0Z0M0O0J
1
Z0Z0Z0MQ
a b c d e f g h
1404

8
0Zks0ZrZ
7
opo0Z0Z0
6
0Z0ZpZ0Z
5
OPZpO0Zp
4
0Z0O0o0m
3
Z0O0Z0lP
2
0Z0M0O0J
1
Z0Z0Z0MQ
a b c d e f g h

– Qg3+
pXg3, pXg3
1405

8
0Z0Z0Z0Z
7
Z0Z0Z0Zk
6
bZ0S0Z0Z
5
o0Z0Spo0
4
0Z0Z0Z0o
3
Z0O0Z0ZK
2
0O0Z0ZPO
1
Z0Z0ZrZ0
a b c d e f g h
1405

8
0Z0Z0Z0Z
7
Z0Z0Z0Zk
6
bZ0S0Z0Z
5
o0Z0Spo0
4
0Z0Z0Z0o
3
Z0O0ZrZK
2
0O0Z0ZPO
1
Z0Z0Z0Z0
a b c d e f g h

– Rf3+
pXf3, Bf1
1406

8
rZbZ0s0j
7
opopZ0op
6
0Z0Z0Z0Z
5
Z0Z0M0Z0
4
0OBm0Z0l
3
Z0LnZ0Z0
2
PZ0M0ZPO
1
S0AKZRZ0
a b c d e f g h
1406

8
rZbZ0s0j
7
opopZ0op
6
0Z0Z0Z0Z
5
Z0Z0M0Z0
4
0OBm0Z0Z
3
Z0LnZ0Z0
2
PZ0M0ZPO
1
S0AKlRZ0
a b c d e f g h

– Qe1+
RXe1, Nf2
1407

8
0Z0Z0ZkZ
7
Z0A0apop
6
pZ0Z0Z0Z
5
ZpZrZ0Z0
4
0Z0Z0Z0Z
3
Z0OnZpOq
2
POQZ0O0O
1
S0Z0Z0SK
a b c d e f g h
1407

8
0Z0Z0ZkZ
7
Z0A0apop
6
pZ0Z0Z0Z
5
ZpZrZ0Z0
4
0Z0Z0Z0Z
3
Z0OnZpO0
2
POQZ0O0l
1
S0Z0Z0SK
a b c d e f g h

– QXh2+
KXh2, Rh5
1408

8
0Zks0Z0s
7
opo0ZQZp
6
0Z0Z0o0Z
5
Z0ZPo0Z0
4
qa0m0Z0Z
3
Z0ZBZ0ZP
2
POPZ0OPZ
1
ZNJRZ0ZR
a b c d e f g h
1408

8
0Zks0Z0s
7
opo0ZQZp
6
0Z0Z0o0Z
5
Z0ZPo0Z0
4
0a0m0Z0Z
3
Z0ZBZ0ZP
2
POqZ0OPZ
1
ZNJRZ0ZR
a b c d e f g h

– QXc2+
BXc2, Ne2
1409

8
0Z0Z0Z0Z
7
o0S0O0jp
6
0Z0Z0ZpZ
5
L0Z0ZnZn
4
0O0ZpZ0Z
3
Z0Z0Z0ZK
2
PZ0Z0MNO
1
Z0ZrZ0l0
a b c d e f g h
1409

8
0Z0Z0Z0Z
7
o0S0O0jp
6
0Z0Z0ZpZ
5
L0Z0ZnZn
4
0O0ZpZ0Z
3
Z0Z0Z0ZK
2
PZ0Z0MqO
1
Z0ZrZ0Z0
a b c d e f g h

– QXg2+
KXg2, Nf4
1410

8
0s0Z0Z0Z
7
L0ZbjpZp
6
pZ0o0Z0a
5
Z0Z0o0Z0
4
0ZBm0Z0O
3
Z0Z0Z0Z0
2
PZ0l0OPZ
1
ZNZ0SKZR
a b c d e f g h
1410

8
0s0Z0Z0Z
7
L0ZbjpZp
6
pZ0o0Z0a
5
Z0Z0o0Z0
4
0ZBm0Z0O
3
Z0Z0Z0Z0
2
PZ0Z0OPZ
1
ZNZ0lKZR
a b c d e f g h

– QXe1+
KXe1, RXb1
1411

8
rZbZkZ0s
7
opopZpop
6
0ZnZ0l0Z
5
Z0a0O0Z0
4
0Z0ZPZ0Z
3
Z0O0Z0O0
2
PO0ONZBm
1
SNAQJRZ0
a b c d e f g h
1411

8
rZbZkZ0s
7
opopZpop
6
0ZnZ0Z0Z
5
Z0a0O0Z0
4
0Z0ZPZ0Z
3
Z0O0Z0O0
2
PO0ONZBm
1
SNAQJqZ0
a b c d e f g h

– QXf1+
BXf1, Nf3
1412

8
rmbZkZ0s
7
opo0Z0op
6
0Z0o0Z0Z
5
Z0ZPo0Z0
4
0ZPZKZ0Z
3
Z0Z0Z0lP
2
PO0ZPZ0Z
1
SNAQZBMR
a b c d e f g h
1412

8
rm0ZkZ0s
7
opo0Z0op
6
0Z0o0Z0Z
5
Z0ZPobZ0
4
0ZPZKZ0Z
3
Z0Z0Z0lP
2
PO0ZPZ0Z
1
SNAQZBMR
a b c d e f g h

– Bf5+
KXf5, Qg6
1413

8
kZ0Z0ZrZ
7
o0Z0ZpZp
6
0o0a0m0Z
5
Z0Z0Z0Zq
4
0ZPA0ZpZ
3
ZQM0ZbZP
2
PZ0Z0OPZ
1
ZRZ0ZRJ0
a b c d e f g h
1413

8
kZ0Z0ZrZ
7
o0Z0ZpZp
6
0o0a0m0Z
5
Z0Z0Z0Z0
4
0ZPA0ZpZ
3
ZQM0ZbZq
2
PZ0Z0OPZ
1
ZRZ0ZRJ0
a b c d e f g h

– QXh3
If pXh3, pXh3. If pXf3, pXf3. If pg3, Qh1.
Otherwise, QXg2.
1414

8
rZ0Z0ZkZ
7
Z0o0Z0o0
6
0Z0a0Z0Z
5
Z0ZnlbAQ
4
0Z0Z0Z0Z
3
ZNZ0Z0Z0
2
PO0ZNZPZ
1
S0J0S0Z0
a b c d e f g h
1414

8
rZ0Z0ZkZ
7
Z0o0Z0o0
6
0Z0a0Z0Z
5
Z0ZnZbAQ
4
0Z0Z0Z0Z
3
ZNZ0Z0Z0
2
Pl0ZNZPZ
1
S0J0S0Z0
a b c d e f g h

– QXb2+
If KXb2, Ba3. If Kd1, Qc2.
1415

8
0Z0Z0Z0Z
7
Z0Z0Z0Z0
6
0S0Z0ZPZ
5
Z0Z0Z0Z0
4
0Z0Z0ZbZ
3
Z0s0Z0j0
2
0o0A0Z0Z
1
Z0Z0J0Z0
a b c d e f g h
1415

8
0Z0Z0Z0Z
7
Z0Z0Z0Z0
6
0S0Z0ZPZ
5
Z0Z0Z0Z0
4
0Z0Z0ZbZ
3
Z0Z0Z0j0
2
0o0A0Z0Z
1
Z0s0J0Z0
a b c d e f g h

– Rc1+
BXc1, pXc1(Q)
1416

8
0Z0Z0Z0Z
7
O0Z0Z0Zk
6
0ApZ0Z0Z
5
Z0Z0ZKo0
4
0Z0ZnZ0Z
3
ZPZ0L0Z0
2
0Z0l0Z0Z
1
Z0Z0Z0Z0
a b c d e f g h
1416

8
0Z0Z0Z0Z
7
O0ZqZ0Zk
6
0ApZ0Z0Z
5
Z0Z0ZKo0
4
0Z0ZnZ0Z
3
ZPZ0L0Z0
2
0Z0Z0Z0Z
1
Z0Z0Z0Z0
a b c d e f g h

– Qd7+
KXe4 or Ke5, Qd5
1417

8
0Z0Z0Z0Z
7
o0Z0Z0Lp
6
0ZkZpZ0Z
5
Z0Z0Z0Z0
4
PZpmnZ0Z
3
Z0aBZ0Z0
2
0O0Z0lPO
1
Z0AKZRZR
a b c d e f g h
1417

8
0Z0Z0Z0Z
7
o0Z0Z0Lp
6
0ZkZpZ0Z
5
Z0Z0Z0Z0
4
PZpmnZ0Z
3
Z0aBZ0Z0
2
0O0Z0ZPO
1
Z0AKlRZR
a b c d e f g h

– Qe1+
RXe1, Nf2
1418

8
NZ0j0Zns
7
opZ0Zpop
6
0Z0Z0Z0Z
5
Z0a0m0Zb
4
0Z0ZPoqZ
3
Z0Z0ZNZP
2
POPOKZPZ
1
S0A0LBS0
a b c d e f g h
1418

8
NZ0j0Zns
7
opZ0Zpop
6
0Z0Z0Z0Z
5
Z0a0m0Zb
4
0Z0ZPo0Z
3
Z0Z0ZqZP
2
POPOKZPZ
1
S0A0LBS0
a b c d e f g h

– QXf3+
pXf3, BXf3
1419

8
kZ0srZ0Z
7
opZ0Zpop
6
0Z0Z0Z0Z
5
Z0a0ZPZ0
4
0Z0Z0A0Z
3
ZBO0ZQMP
2
PO0ZpmPZ
1
S0Z0J0ZR
a b c d e f g h
1419

8
kZ0ZrZ0Z
7
opZ0Zpop
6
0Z0Z0Z0Z
5
Z0a0ZPZ0
4
0Z0Z0A0Z
3
ZBO0ZQMP
2
PO0ZpmPZ
1
S0ZrJ0ZR
a b c d e f g h

– Rd1+
RXd1 or BXd1, pXd1(Q)
1420

8
rZbZkZns
7
opopZpo0
6
0Z0Z0l0Z
5
Z0Z0Z0Zp
4
0Z0OPZnZ
3
Z0Z0ZBJP
2
POPZ0ZPZ
1
SNAQZ0ZR
a b c d e f g h
1420

8
rZbZkZns
7
opopZpo0
6
0Z0Z0l0Z
5
Z0Z0Z0Z0
4
0Z0OPZno
3
Z0Z0ZBJP
2
POPZ0ZPZ
1
SNAQZ0ZR
a b c d e f g h

– ph4+
KXg4, pd6
1421

8
0Z0Z0ZkZ
7
Z0O0Z0o0
6
0Z0ZpZ0Z
5
Z0ZbZ0Z0
4
pZ0Z0Z0Z
3
Z0Z0Z0lP
2
0Z0L0ZPZ
1
ZrA0Z0J0
a b c d e f g h
1421

8
0Z0Z0ZkZ
7
Z0O0Z0o0
6
0Z0ZpZ0Z
5
Z0ZbZ0Z0
4
pZ0Z0Z0Z
3
Z0Z0Z0lP
2
0Z0L0ZPZ
1
Z0s0Z0J0
a b c d e f g h

– RXc1+
If QXc1 or Qd1 or Qe1, QXg2.
1422

8
0Z0S0Z0Z
7
opZ0Zpjp
6
0ZpZbZ0Z
5
Z0Z0Z0Z0
4
0Z0ZPZnZ
3
O0M0ZKZ0
2
0O0LBOpl
1
Z0Z0ZRZ0
a b c d e f g h
1422

8
0Z0S0Z0Z
7
opZ0Zpjp
6
0ZpZbZ0Z
5
Z0Z0Z0Z0
4
0Z0ZPZnZ
3
O0M0ZKZ0
2
0O0LBO0l
1
Z0Z0ZRm0
a b c d e f g h

– pg1(N)+
RXg1, QXf2
1423

8
0Z0Z0Z0Z
7
o0Z0Z0Zp
6
QopM0ZpZ
5
Z0Z0Z0Z0
4
0OPm0Z0Z
3
OkZqZ0Z0
2
0Z0ZrOPO
1
JRZ0Z0Z0
a b c d e f g h
1423

8
0Z0Z0Z0Z
7
o0Z0Z0Zp
6
QopM0ZpZ
5
Z0Z0Z0Z0
4
0OPm0Z0Z
3
OkZ0Z0Z0
2
0Z0ZrOPO
1
JqZ0Z0Z0
a b c d e f g h

– QXb1+
KXb1, Re1
1424

8
0j0Z0Z0s
7
ZbZ0Zpop
6
pO0ZpZ0Z
5
Z0ZpO0Z0
4
nZ0A0OPZ
3
lNsBZNZ0
2
0aPZ0Z0O
1
ZKS0Z0LR
a b c d e f g h
1424

8
0j0Z0Z0s
7
ZbZ0Zpop
6
pO0ZpZ0Z
5
Z0ZpO0Z0
4
nZ0A0OPZ
3
lNsBZNZ0
2
0ZPZ0Z0O
1
aKS0Z0LR
a b c d e f g h

– Ba1
If BXc3, NXc3.
Otherwise, Qb2.
1425

8
0Z0Z0ZkZ
7
opZ0Z0Z0
6
0Z0ZpZ0Z
5
Z0Z0OqZ0
4
0Z0snZ0J
3
OPZ0L0O0
2
0Z0Z0ZPZ
1
Z0Z0S0Z0
a b c d e f g h
1425

8
0Z0Z0ZkZ
7
opZ0Z0Z0
6
0Z0Zpm0Z
5
Z0Z0OqZ0
4
0Z0s0Z0J
3
OPZ0L0O0
2
0Z0Z0ZPZ
1
Z0Z0S0Z0
a b c d e f g h

– Nf6+
If pg4, QXg4.
Otherwise, Qh5.
1426

8
0Z0Z0Z0j
7
Z0Z0Z0o0
6
0Z0Z0mBo
5
Z0Z0Z0Z0
4
0Z0Z0Z0J
3
Z0Z0Z0OQ
2
0Z0Z0Z0Z
1
Z0Z0a0Zq
a b c d e f g h
1426

8
0Z0Z0Z0j
7
Z0Z0Z0o0
6
0Z0Z0mBo
5
Z0Z0Z0Z0
4
0Z0ZqZ0J
3
Z0Z0Z0OQ
2
0Z0Z0Z0Z
1
Z0Z0a0Z0
a b c d e f g h

– Qe4+
If BXe4, pg5. If Qg4, QXg4.
1427

8
rZ0j0Z0Z
7
Zpo0m0Zp
6
pZno0Z0a
5
Z0Z0Z0Z0
4
0ZBOPZqZ
3
Z0OKZNZb
2
PO0Z0Z0O
1
S0AQZ0ZR
a b c d e f g h
1427

8
rZ0j0Z0Z
7
Zpo0m0Zp
6
pZno0Z0a
5
Z0Z0Z0Z0
4
0ZBOqZ0Z
3
Z0OKZNZb
2
PO0Z0Z0O
1
S0AQZ0ZR
a b c d e f g h

– QXe4+
KXe4, Bf5
1428

8
0j0Z0Z0Z
7
ZpZ0Z0a0
6
0Z0ZqZpZ
5
OQZ0Z0Zp
4
0ZpZ0O0S
3
Z0Z0OKZ0
2
0Z0Z0APZ
1
ZRZ0ZbZ0
a b c d e f g h
1428

8
0j0Z0Z0Z
7
ZpZ0Z0a0
6
0Z0Z0ZpZ
5
OQZ0Z0Zp
4
0ZpZqO0S
3
Z0Z0OKZ0
2
0Z0Z0APZ
1
ZRZ0ZbZ0
a b c d e f g h

– Qe4+
If KXe4, BXg2. If Kg3, QXg2.
1429

8
rZ0lkZ0s
7
opZ0ZpLp
6
0Z0Z0Z0Z
5
Z0Z0obZ0
4
0aPZnO0Z
3
Z0Z0Z0Z0
2
POnOKZPO
1
SNA0ZBMR
a b c d e f g h
1429

8
rZ0ZkZ0s
7
opZ0ZpLp
6
0Z0Z0Z0Z
5
Z0Z0obZ0
4
0aPZnO0Z
3
Z0ZqZ0Z0
2
POnOKZPO
1
SNA0ZBMR
a b c d e f g h

– Qd3+
If KXd3, Ng3. If Kd1, Nf2.
1430

8
0Z0lrZkZ
7
ZbZ0ZpZ0
6
po0Z0ZpZ
5
Z0m0s0Z0
4
0ZPZ0ZNO
3
ZPZ0Z0SK
2
PZ0Z0L0Z
1
ZBS0Z0Z0
a b c d e f g h
1430

8
0Z0ZrZkZ
7
ZbZ0ZpZ0
6
po0Z0ZpZ
5
Z0m0s0Z0
4
0ZPZ0ZNl
3
ZPZ0Z0SK
2
PZ0Z0L0Z
1
ZBS0Z0Z0
a b c d e f g h

– QXh4+
KXh4, Rh5
1431

8
0j0s0Z0Z
7
o0oqZ0Z0
6
0o0Z0Z0Z
5
Z0Z0Z0m0
4
0O0Z0Z0S
3
OBZ0ZbO0
2
0L0Z0O0O
1
Z0Z0ZRJ0
a b c d e f g h
1431

8
0j0s0Z0Z
7
o0o0Z0Z0
6
0o0Z0Z0Z
5
Z0Z0Z0m0
4
0O0Z0Z0S
3
OBZ0ZbOq
2
0L0Z0O0O
1
Z0Z0ZRJ0
a b c d e f g h

– Qh3
If RXh3, NXh3.
Otherwise, Qg2.
1432

8
0Z0ZqZ0Z
7
Z0Z0Z0Zk
6
0Z0o0Zpo
5
o0Z0ZpZ0
4
0a0Z0J0O
3
Z0A0ZPL0
2
0O0Z0Z0Z
1
Z0Z0Z0Z0
a b c d e f g h
1432

8
0Z0Z0Z0Z
7
Z0Z0Z0Zk
6
0Z0o0Zpo
5
o0Z0lpZ0
4
0a0Z0J0O
3
Z0A0ZPL0
2
0O0Z0Z0Z
1
Z0Z0Z0Z0
a b c d e f g h

– Qe5+
BXe5, Bd2
1433

8
0Z0Z0ZrZ
7
ZpL0Zpj0
6
0Z0Zqm0o
5
o0Z0o0o0
4
0ObZPZ0Z
3
O0O0A0O0
2
0ZBZ0OKO
1
Z0Z0Z0Z0
a b c d e f g h
1433

8
0Z0Z0ZrZ
7
ZpL0Zpj0
6
0Z0Z0m0o
5
o0Z0o0o0
4
0ObZPZ0Z
3
O0O0A0Oq
2
0ZBZ0OKO
1
Z0Z0Z0Z0
a b c d e f g h

– Qh3+
If KXh3, Bf1. If Kh1, Qf1. If Kf3, pg4.
1434

8
0Z0Z0ZkZ
7
Z0Z0Z0op
6
0ZpZ0Z0l
5
Z0Z0Z0Z0
4
0ZbZ0ZPZ
3
Z0Z0Z0Z0
2
0Z0Z0ZKO
1
Z0ZQa0AR
a b c d e f g h
1434

8
0Z0Z0ZkZ
7
Z0Z0Z0op
6
0ZpZ0Z0Z
5
Z0Z0Z0Z0
4
0ZbZ0ZPZ
3
Z0Z0Z0Zq
2
0Z0Z0ZKO
1
Z0ZQa0AR
a b c d e f g h

– Qh3+
KXh3, Bf1
1435

8
0Z0Z0Z0Z
7
Z0Z0Z0j0
6
0S0Z0Z0o
5
Z0ZQZ0o0
4
0Z0MpZKZ
3
Z0ZnOpO0
2
0Z0Z0O0O
1
Z0Z0ZqZ0
a b c d e f g h
1435

8
0Z0Z0Z0Z
7
Z0Z0Z0j0
6
0S0Z0Z0o
5
Z0ZQZ0o0
4
0Z0MpZKZ
3
Z0ZnOpOq
2
0Z0Z0O0O
1
Z0Z0Z0Z0
a b c d e f g h

– Qh3+
KXh3, NXf2
1436

8
0j0Z0ZrZ
7
opZ0Z0Z0
6
0Z0Z0a0l
5
Z0A0Z0o0
4
0LPZpZKZ
3
Z0Z0O0O0
2
PZ0Z0ZNO
1
ZRZ0Z0Z0
a b c d e f g h
1436

8
0j0Z0ZrZ
7
opZ0Z0Z0
6
0Z0Z0a0Z
5
Z0A0Z0o0
4
0LPZpZKZ
3
Z0Z0O0Oq
2
PZ0Z0ZNO
1
ZRZ0Z0Z0
a b c d e f g h

– Qh3+
KXh3, pg4
1437

8
rZ0l0skZ
7
opo0Zpop
6
0Z0a0Z0Z
5
ZNZPZ0Z0
4
0ZBAPm0O
3
O0Z0ZpO0
2
0OQZ0ObZ
1
S0Z0S0J0
a b c d e f g h
1437

8
rZ0Z0skZ
7
opo0Zpop
6
0Z0a0Z0Z
5
ZNZPZ0Z0
4
0ZBAPm0l
3
O0Z0ZpO0
2
0OQZ0ObZ
1
S0Z0S0J0
a b c d e f g h

– QXh4
If pXh4, Nh3.
Otherwise, Qh1.
1438

8
0s0ZrZkZ
7
LbZ0lpZp
6
0Z0Z0ZpZ
5
A0opZ0Z0
4
PZ0Z0ZnZ
3
Z0Z0aNZP
2
NO0ZBZPZ
1
Z0ZRSKZ0
a b c d e f g h
1438

8
0s0ZrZkZ
7
LbZ0ZpZp
6
0Z0Z0ZpZ
5
A0opZ0Z0
4
PZ0Z0Znl
3
Z0Z0aNZP
2
NO0ZBZPZ
1
Z0ZRSKZ0
a b c d e f g h

– Qh4
If NXh4, Nh2. If pg3, QXh3.
Otherwise, Qf2.
1439

8
0ZBZ0ZkZ
7
opZ0Z0Z0
6
0Z0Z0o0Z
5
ZRZbZnop
4
0ZpO0Z0Z
3
O0OqZ0ZP
2
0Z0M0LPJ
1
Z0s0Z0Z0
a b c d e f g h
1439

8
0ZBZ0ZkZ
7
opZ0Z0Z0
6
0Z0Z0o0Z
5
ZRZbZnop
4
0ZpO0Z0Z
3
O0O0Z0Zq
2
0Z0M0LPJ
1
Z0s0Z0Z0
a b c d e f g h

– QXh3+
pXh3 or KXh3, Rh1
1440

8
0Z0ZrZrj
7
Z0l0Z0Zp
6
po0Z0o0Z
5
Z0Z0Z0Z0
4
PZ0M0ZnZ
3
ZQM0Z0ZP
2
0O0Z0Z0Z
1
S0Z0Z0AK
a b c d e f g h
1440

8
0Z0ZrZrj
7
Z0Z0Z0Zp
6
po0Z0o0Z
5
Z0Z0Z0Z0
4
PZ0M0ZnZ
3
ZQM0Z0ZP
2
0O0Z0Z0l
1
S0Z0Z0AK
a b c d e f g h

– Qh2+
BXh2, Nf2
1441

8
0Z0a0Z0s
7
Zpo0Zpj0
6
0O0o0mpZ
5
Z0ZPZPZ0
4
0Z0OpSqZ
3
AQZ0O0O0
2
0Z0ZNJRZ
1
Z0Z0Z0Zr
a b c d e f g h
1441

8
0Z0a0Z0s
7
Zpo0Zpj0
6
0O0o0mpZ
5
Z0ZPZPZ0
4
0Z0OpS0Z
3
AQZ0OqO0
2
0Z0ZNJRZ
1
Z0Z0Z0Zr
a b c d e f g h

– Qf3+
RXf3, Ng4
1442

8
0Z0Z0ZkZ
7
opl0Z0ap
6
0ZnZ0mpZ
5
Z0Z0ZpZ0
4
0ZPZ0O0Z
3
Z0ZRJBM0
2
PO0ZQO0O
1
Z0Z0Z0Z0
a b c d e f g h
1442

8
0Z0Z0ZkZ
7
opZ0Z0ap
6
0ZnZ0mpZ
5
Z0Z0ZpZ0
4
0ZPZ0l0Z
3
Z0ZRJBM0
2
PO0ZQO0O
1
Z0Z0Z0Z0
a b c d e f g h

– QXf4+
KXf4, Bh6
1443

8
0ZkZ0Z0Z
7
Z0Z0Z0Z0
6
0Z0Z0o0Z
5
Z0a0o0o0
4
0Z0l0ZPZ
3
O0Z0ZPJB
2
QZ0Z0ZNO
1
Z0Z0ZbZ0
a b c d e f g h
1443

8
0ZkZ0Z0Z
7
Z0Z0Z0Z0
6
0Z0Z0o0Z
5
Z0a0o0o0
4
0Z0Z0lPZ
3
O0Z0ZPJB
2
QZ0Z0ZNO
1
Z0Z0ZbZ0
a b c d e f g h

– Qf4+
NXf4, p(e5)Xf4
1444

8
0Z0Z0Z0Z
7
Z0ZBZ0o0
6
0Z0Z0ZkZ
5
Z0Z0Z0ZR
4
0l0Z0Z0Z
3
ZPa0Z0ZQ
2
KO0Z0Z0Z
1
Z0s0Z0Z0
a b c d e f g h
1444

8
0Z0Z0Z0Z
7
Z0ZBZ0o0
6
0Z0Z0ZkZ
5
Z0Z0Z0ZR
4
0Z0Z0Z0Z
3
lPa0Z0ZQ
2
KO0Z0Z0Z
1
Z0s0Z0Z0
a b c d e f g h

– Qa3+
pXa3 or KXa3, Ra1
1445

8
rZ0Z0skZ
7
opZ0Z0op
6
0ZpZ0ZnZ
5
Z0ZpZ0M0
4
0ZPZ0OKZ
3
Z0ZBZ0O0
2
PO0Z0Z0l
1
S0AQZRZ0
a b c d e f g h
1445

8
rZ0Z0skZ
7
opZ0Z0op
6
0ZpZ0Z0Z
5
Z0Zpm0M0
4
0ZPZ0OKZ
3
Z0ZBZ0O0
2
PO0Z0Z0l
1
S0AQZRZ0
a b c d e f g h

– Ne5+
pXe5, ph5
1446

8
0Z0Z0j0Z
7
Z0Z0Z0Zp
6
0o0Z0Z0s
5
o0Z0apo0
4
0ZPZpZ0M
3
ZPZ0ZbOK
2
PZ0Z0O0Z
1
Z0ZBSRZ0
a b c d e f g h
1446

8
0Z0Z0j0Z
7
Z0Z0Z0Zp
6
0o0Z0Z0Z
5
o0Z0apo0
4
0ZPZpZ0s
3
ZPZ0ZbOK
2
PZ0Z0O0Z
1
Z0ZBSRZ0
a b c d e f g h

– RXh4+
pXh4, pg4
1447

8
0Z0Z0s0j
7
o0Z0Z0op
6
0opZ0Z0Z
5
Z0Z0Z0s0
4
0Z0ZQm0Z
3
Z0Z0Z0Sq
2
PO0Z0O0O
1
Z0Z0ZRJN
a b c d e f g h
1447

8
0Z0Z0s0j
7
o0Z0Z0op
6
0opZ0Z0Z
5
Z0Z0Z0s0
4
0Z0ZQm0Z
3
Z0Z0Z0S0
2
PO0Z0OqO
1
Z0Z0ZRJN
a b c d e f g h

– Qg2+
If RXg2, Nh3. If QXg2, Ne2.
1448

8
rZ0Z0ZkZ
7
o0l0Zpo0
6
0ZpZ0Z0o
5
Z0Z0Z0Z0
4
0OPO0ZNZ
3
Z0ZQANZ0
2
PZ0ZnZPZ
1
S0Z0ZnZK
a b c d e f g h
1448

8
rZ0Z0ZkZ
7
o0Z0Zpo0
6
0ZpZ0Z0o
5
Z0Z0Z0Z0
4
0OPO0ZNZ
3
Z0ZQANZ0
2
PZ0ZnZPl
1
S0Z0ZnZK
a b c d e f g h

– Qh2+
NXh2, N(f1)g3
1449

8
0Z0Z0s0j
7
o0Z0Z0Zr
6
0ZQZ0Z0Z
5
Z0o0Z0l0
4
0Z0Z0Z0Z
3
ZPZ0Z0Z0
2
PZ0Z0ZPO
1
Z0ZRZ0SK
a b c d e f g h
1449

8
0Z0Z0s0j
7
o0Z0Z0Z0
6
0ZQZ0Z0Z
5
Z0o0Z0l0
4
0Z0Z0Z0Z
3
ZPZ0Z0Z0
2
PZ0Z0ZPs
1
Z0ZRZ0SK
a b c d e f g h

– RXh2+
KXh2, Qh4
1450

8
rZ0Z0s0Z
7
opo0Zpak
6
0Z0Z0Zpo
5
Z0Z0ZbZ0
4
0mBZ0O0Z
3
Z0O0AQZ0
2
qO0Z0ZPO
1
Z0JRZ0MR
a b c d e f g h
1450

8
rZ0Z0s0Z
7
opo0ZpZk
6
0Z0Z0Zpo
5
Z0Z0ZbZ0
4
0mBZ0O0Z
3
Z0a0AQZ0
2
qO0Z0ZPO
1
Z0JRZ0MR
a b c d e f g h

– BXc3
If pXc3, Qc2. If Bd3 or Qe4, QXb2.
Otherwise, Qb1.
1451

8
rZ0Z0skZ
7
ZpZ0Zpop
6
0opo0Z0Z
5
Z0Z0o0Z0
4
0Z0OPm0Z
3
ZBM0Z0mq
2
POPL0S0M
1
Z0ZRZ0J0
a b c d e f g h
1451

8
rZ0Z0skZ
7
ZpZ0Zpop
6
0opo0Z0Z
5
Z0Z0o0Z0
4
0Z0OPm0Z
3
ZBM0Z0m0
2
POPL0SqM
1
Z0ZRZ0J0
a b c d e f g h

– Qg2+
RXg2, Nh3
1452

8
0Z0Zra0Z
7
Z0Z0Z0ok
6
PZ0Z0Z0Z
5
Z0s0o0Zp
4
0Z0oKO0Z
3
M0ZQZPZq
2
POBZ0Z0O
1
S0S0Z0Z0
a b c d e f g h
1452

8
0Z0Zra0Z
7
Z0Z0Z0ok
6
PZ0Z0Z0Z
5
Z0s0oqZp
4
0Z0oKO0Z
3
M0ZQZPZ0
2
POBZ0Z0O
1
S0S0Z0Z0
a b c d e f g h

– Qf6+
KXf6, pe4
1453

8
0Z0Z0Z0j
7
o0o0s0Zp
6
0o0ons0l
5
Z0Z0Zpo0
4
0ZPOPo0Z
3
Z0OBZPZP
2
PZ0L0ORJ
1
Z0Z0Z0S0
a b c d e f g h
1453

8
0Z0Z0Z0j
7
o0o0s0Zp
6
0o0ons0Z
5
Z0Z0Zpo0
4
0ZPOPo0Z
3
Z0OBZPZq
2
PZ0L0ORJ
1
Z0Z0Z0S0
a b c d e f g h

– QXh3+
KXh3, Rh6
1454

8
0ZkZ0a0s
7
opo0Z0op
6
0ZnZ0l0Z
5
Z0ZBZbZ0
4
0Z0Z0O0Z
3
Z0O0AQZ0
2
PO0M0O0O
1
Z0JRZ0ZR
a b c d e f g h
1454

8
0ZkZ0a0s
7
opo0Z0op
6
0ZnZ0Z0Z
5
Z0ZBZbZ0
4
0Z0Z0O0Z
3
Z0l0AQZ0
2
PO0M0O0O
1
Z0JRZ0ZR
a b c d e f g h

– QXc3+
pXc3, Ba3
1455

8
0Z0Z0Z0Z
7
ZPZ0Z0j0
6
QO0Z0Z0Z
5
Z0Z0O0Op
4
0Z0Z0ZPZ
3
Z0Z0Z0ZK
2
0Z0Z0Z0Z
1
Z0Z0Z0l0
a b c d e f g h
1455

8
0Z0Z0Z0Z
7
ZPZ0Z0j0
6
QO0Z0Z0Z
5
Z0Z0O0O0
4
0Z0Z0ZPo
3
Z0Z0Z0ZK
2
0Z0Z0Z0Z
1
Z0Z0Z0l0
a b c d e f g h

– ph4
If KXh4, Qh2. If Qa3 or Qd3, Qh1.
Otherwise, Qg3.
1456

8
0Zks0s0Z
7
ZpZqapo0
6
pZnZbm0o
5
Z0Z0o0Z0
4
0ZpZPZ0Z
3
Z0Z0ANZ0
2
POPMKOPO
1
S0ZQSBZ0
a b c d e f g h
1456

8
0Zks0s0Z
7
ZpZ0apo0
6
pZnZbm0o
5
Z0Z0o0Z0
4
0ZpZPZ0Z
3
Z0ZqANZ0
2
POPMKOPO
1
S0ZQSBZ0
a b c d e f g h

– Qd3+
pXd3, pXd3
1457

8
0s0Z0ZkZ
7
Z0o0Z0op
6
qZ0Z0m0Z
5
a0ZpZpZ0
4
0Z0ZpZ0O
3
ZPZ0O0O0
2
0JPMQO0Z
1
Z0M0Z0ZR
a b c d e f g h
1457

8
0s0Z0ZkZ
7
Z0o0Z0op
6
qZ0Z0m0Z
5
Z0ZpZpZ0
4
0Z0ZpZ0O
3
ZPa0O0O0
2
0JPMQO0Z
1
Z0M0Z0ZR
a b c d e f g h

– Bc3+
KXc3 or Kb1, Qa1
1458

8
rZ0ZrZkZ
7
obZ0ZpZp
6
0oqZ0ZpL
5
Z0o0Z0Z0
4
0Z0Z0A0Z
3
O0ZBZnZ0
2
0OPZ0OPO
1
Z0ZRZKZR
a b c d e f g h
1458

8
rZ0ZrZkZ
7
obZ0ZpZp
6
0oqZ0ZpL
5
Z0o0Z0Z0
4
0Z0Z0A0Z
3
O0ZBZ0Z0
2
0OPm0OPO
1
Z0ZRZKZR
a b c d e f g h

– Nd2+
RXd2 or Kg1, QXg2
1459

8
0Z0Z0Z0Z
7
Z0Z0Z0Z0
6
0Z0ZpakZ
5
M0O0Z0Z0
4
0ZPZKZ0o
3
L0ZRZ0Z0
2
0Z0Z0l0O
1
Z0ZbZ0Z0
a b c d e f g h
1459

8
0Z0Z0Z0Z
7
Z0Z0Z0Z0
6
0Z0ZpakZ
5
M0O0Z0Z0
4
0ZPZKZ0o
3
L0ZRZbZ0
2
0Z0Z0l0O
1
Z0Z0Z0Z0
a b c d e f g h

– Bf3+
If RXf3, Qd4. If Kf4, pe5.
1460

8
0jrZ0Z0s
7
ZpZbZ0o0
6
pZ0Z0Z0Z
5
Z0oNZnZ0
4
QZPZpOqZ
3
O0Z0O0ZP
2
0O0M0ZPJ
1
Z0SRZ0A0
a b c d e f g h
1460

8
0jrZ0Z0s
7
ZpZbZ0o0
6
pZ0Z0Z0Z
5
Z0oNZ0Z0
4
QZPZpOqm
3
O0Z0O0ZP
2
0O0M0ZPJ
1
Z0SRZ0A0
a b c d e f g h

– Nh4
If pXg4, Nf5. If pg3, QXh3.
Otherwise, QXg2.
1461

8
0Z0ZqskZ
7
Z0Z0Z0Z0
6
0Z0Z0Z0o
5
Z0L0Z0o0
4
PZPZ0Z0Z
3
ZPZ0Z0ob
2
RZ0Z0ZNO
1
Z0Z0Z0J0
a b c d e f g h
1461

8
0Z0Z0skZ
7
Z0Z0Z0Z0
6
0Z0Z0Z0o
5
Z0L0Z0o0
4
PZPZ0Z0Z
3
ZPZ0Z0ob
2
RZ0Z0ZNO
1
Z0Z0l0J0
a b c d e f g h

– Qe1+
NXe1, Rf1
1462

8
0Zks0Z0Z
7
Z0Z0O0o0
6
pZ0Z0Z0Z
5
ZpZrZ0Z0
4
0Z0ORJQl
3
Z0ZRZPZ0
2
PZ0Z0Z0Z
1
Z0Z0Z0Z0
a b c d e f g h
1462

8
0Zks0Z0Z
7
Z0Z0O0Z0
6
pZ0Z0Z0Z
5
ZpZrZ0o0
4
0Z0ORJQl
3
Z0ZRZPZ0
2
PZ0Z0Z0Z
1
Z0Z0Z0Z0
a b c d e f g h

– pg5+
If QXg5, QXg5. If Ke3, Qe1.
1463

8
0j0Z0Z0s
7
Zpo0Zbop
6
pZ0Z0a0Z
5
Z0Z0ZPZ0
4
qs0m0Z0Z
3
Z0MBZ0ZP
2
PZPA0Z0Z
1
J0LRZRZ0
a b c d e f g h
1463

8
0j0Z0Z0s
7
Zpo0Zbop
6
pZ0Z0a0Z
5
Z0Z0ZPZ0
4
0s0m0Z0Z
3
Z0MBZ0ZP
2
qZPA0Z0Z
1
J0LRZRZ0
a b c d e f g h

– QXa2+
NXa2, NXc2
1464

8
0j0Z0Z0s
7
opo0Z0op
6
0s0Z0Z0Z
5
Z0ZpZPZ0
4
0Z0O0Z0Z
3
l0mQOPZ0
2
PSPZBZ0Z
1
JRZ0Z0Z0
a b c d e f g h
1464

8
0j0Z0Z0s
7
opo0Z0op
6
0s0Z0Z0Z
5
Z0ZpZPZ0
4
0Z0O0Z0Z
3
Z0mQOPZ0
2
qSPZBZ0Z
1
JRZ0Z0Z0
a b c d e f g h

– QXa2+
RXa2, RXb1
1465

8
rZ0Z0ZkZ
7
opZ0Z0o0
6
0Z0Z0Z0o
5
Z0Z0Z0Z0
4
0Z0Z0Z0Z
3
Z0Z0lrZP
2
PO0Z0ZPJ
1
S0ZQZ0ZR
a b c d e f g h
1465

8
rZ0Z0ZkZ
7
opZ0Z0o0
6
0Z0Z0Z0o
5
Z0Z0Z0Z0
4
0Z0Z0Z0Z
3
Z0Z0l0Zr
2
PO0Z0ZPJ
1
S0ZQZ0ZR
a b c d e f g h

– RXh3+
pXh3, Qf2
1466

8
0Z0ZkZrZ
7
opZ0ZpZp
6
0Z0Zpo0Z
5
ZNZ0a0Z0
4
0Z0Z0l0Z
3
L0Z0ZPZP
2
PS0Z0JPZ
1
Z0Z0ZRZ0
a b c d e f g h
1466

8
0Z0ZkZ0Z
7
opZ0ZpZp
6
0Z0Zpo0Z
5
ZNZ0a0Z0
4
0Z0Z0l0Z
3
L0Z0ZPZP
2
PS0Z0JrZ
1
Z0Z0ZRZ0
a b c d e f g h

– RXg2+
If KXg2, Qh2. If Ke1, Qc1.
1467

8
0Z0Z0ZkZ
7
Z0o0Zpo0
6
0Z0o0Z0Z
5
Z0Z0Z0Z0
4
0Z0Z0Znl
3
Z0Z0Z0ZP
2
0Z0O0aPZ
1
Z0L0ZRZK
a b c d e f g h
1467

8
0Z0Z0ZkZ
7
Z0o0Zpo0
6
0Z0o0Z0Z
5
Z0Z0Z0Z0
4
0Z0Z0ZnZ
3
Z0Z0Z0lP
2
0Z0O0aPZ
1
Z0L0ZRZK
a b c d e f g h

– Qg3
If pXg4, Qh4.
Otherwise, Qh2.
1468

8
0s0Z0Z0Z
7
Z0Z0Z0Z0
6
0ZkZ0l0A
5
Z0o0Z0ZQ
4
0ZPZ0Z0Z
3
Z0OpZ0s0
2
0Z0J0m0Z
1
ZRZ0ZRZ0
a b c d e f g h
1468

8
0s0Z0Z0Z
7
Z0Z0Z0Z0
6
0ZkZ0Z0A
5
Z0o0Z0ZQ
4
0ZPZ0Z0Z
3
Z0lpZ0s0
2
0Z0J0m0Z
1
ZRZ0ZRZ0
a b c d e f g h

– QXc3+
KXc3, Ne4
1469

8
0ZkZ0Z0Z
7
Z0Z0ZRZ0
6
0LpZ0Z0Z
5
Z0Z0Z0Z0
4
0Z0Z0ZqZ
3
ZbZ0O0S0
2
rZ0oPJ0O
1
Z0Z0Z0A0
a b c d e f g h
1469

8
0ZkZ0Z0Z
7
Z0Z0ZRZ0
6
0LpZ0Z0Z
5
Z0Z0Z0Z0
4
0Z0Z0ZqZ
3
ZbZ0O0S0
2
rZ0ZPJ0O
1
Z0ZnZ0A0
a b c d e f g h

– pd1(N)+
If Kg2, Bd5. If Ke1 or Kf1, QXd2.
1470

8
0j0s0Z0Z
7
ZpZ0Z0Sq
6
0ZBZ0Z0Z
5
Z0Z0Z0ap
4
pZ0Z0Z0Z
3
L0O0Z0Z0
2
0ZPo0Z0s
1
ARZKZ0Z0
a b c d e f g h
1470

8
0j0s0Z0Z
7
ZpZ0Z0S0
6
0ZBZ0Z0Z
5
Z0Z0Z0ap
4
pZ0Z0Z0Z
3
L0O0Z0Z0
2
0Zqo0Z0s
1
ARZKZ0Z0
a b c d e f g h

– QXc2+
KXc2, pd1(Q)