MESON Chess Problem Database
Problem Display
PID: 262830 (2NR4/5N2/4kp2/1n2n2Q/8/8/8/K7 w - - 0 1)
Pawlowski, Wojciech
Szachy, 1976
#2
5 + 4
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Sa3
- 2.Rd6#
- 1...Sc3
- 2.Rd6#
- 1...Sd4
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sa7
- 2.Rd6#
- 1...Sc7
- 2.Rd6#
- 1...Sd3
- 2.Qd5#
- 1...Sf3
- 2.Qd5#
- 1...Sc4
- 2.Qd5#
- 1...Sg4
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sd7
- 2.Re8#
- 1...Sxf7
- 2.Qd5#
- 1...Sa3
- Tries
- 1.Sxe5?
- 1...fxe5
- 2.Qg6#
- 1...Sd6
- 2.Rxd6#
- 1...Sa3
- 2.Rd6#
- 1...Sc3
- 2.Rd6#
- 1...Sd4
- 2.Rd6#
- 1...Sa7
- 2.Rd6#
- 1...Sc7
- 2.Rd6#
- 1...f5!
- 1...fxe5
- 1.Sh8?
- 1...Sd6
- 2.Rxd6#
- 1...Sa3
- 2.Rd6#
- 1...Sc3
- 2.Rd6#
- 1...Sd4
- 2.Rd6#
- 1...Sa7
- 2.Rd6#
- 1...Sc7
- 2.Rd6#
- 1...Sd3
- 2.Qd5#
- 1...Sf3
- 2.Qd5#
- 1...Sc4
- 2.Qd5#
- 1...Sg4
- 2.Qd5#
- 1...Sc6
- 2.Qd5#
- 1...Sg6
- 2.Qd5#
- 1...Sd7
- 2.Re8#
- 1...Sf7
- 2.Qd5#
- 1...f5!
- 1...Sd6
- 1.Sxe5?
- Keys
- 1.Sh6!
- threat
- 2.Qe8#
- 2.Qf5#
- 1...Sd6
- 2.Rxd6#
- 1...f5
- 2.Qxf5#
- 1...Sd4
- 2.Rd6#
- 2.Qe8#
- 1...Sc7
- 2.Rd6#
- 2.Qf5#
- 1...Sc6
- 2.Qd5#
- 2.Qf5#
- 1...Sg6
- 2.Qd5#
- 2.Qf5#
- 1...Sd7
- 2.Re8#
- 2.Qf5#
- 1...Sf7
- 2.Qd5#
- 2.Qf5#
- threat
- 1.Sh6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 13
- Sets
- S(a);N_GUARD::R1(E)
- S(a);N_GUARD::R1(E),XS(a)
- S(b);OGATE::QAB1(B)
- S(b);SBLOCK::R(E)
- S(b);OGATE,SBLOCK,XS(C)::QAB1(B)
- Tries
- Try
- S(C);XS(b)
- Vars
- P(d);OGATEB,SBLOCK,XS(C)::QAR2(B)
- S(a);N_GUARD::R1(E),XS(a)
- S(a);N_GUARD::R1(E)
- Refutation
- P(d);
- Try
- S(C);
- Vars
- S(a);N_GUARD::R1(E),XS(a)
- S(a);N_GUARD::R1(E)
- S(b);OGATE::QAB1(B)
- S(b);SBLOCK::R(E)
- Refutation
- P(d);
- Try
- Actual
- S(C);
- Threat
- DUALS(2)
- Vars
- S(a);N_GUARD::R1(E),XS(a)
- P(d);::QAB1(B),XP(d)
Developed and maintained by Brian Stephenson.
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