MESON Chess Problem Database
Problem Display
PID: 25701 (8/3B2p1/4RbQ1/n4r2/N1kp4/2P5/K2R4/3N4 w - - 0 1)
Gulyaev, Aleksandr Pavlovich (aka Grin, AP)
Shakhmaty, 1962
#2
8 + 6
| 1355 | The Guardian | 1962 |
| 2988 | Izbrannie Kompozitsi | 1985 |
| 3713 | Snap | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kd5
- 2.Se3#
- 1...Rc5
- 2.Sb6#
- 1...Rd5
- 2.Sdb2#
- 2.Qd3#
- 1...Re5
- 2.Rxd4#
- 1...Bh4
- 2.Rxd4#
- 1...Bg5
- 2.Rxd4#
- 1...Be7
- 2.Rxd4#
- 1...Bd8
- 2.Rxd4#
- 1...d3
- 2.Se3#
- 1...Kd5
- Tries
- 1.Re5?
- threat
- 2.Sdb2#
- 2.Sab2#
- 2.Sb6#
- 2.Bb5#
- 2.Be6#
- 2.Rxd4#
- 2.Qf7#
- 1...Rxe5
- 2.Rxd4#
- 1...Bxe5
- 2.Qe6#
- 1...Rf2
- 2.Sdb2#
- 2.Sab2#
- 2.Sb6#
- 2.Bb5#
- 2.Be6#
- 2.Rc5#
- 2.Qd3#
- 2.Qf7#
- 1...Rf4
- 2.Sdb2#
- 2.Sab2#
- 2.Sb6#
- 2.Bb5#
- 2.Be6#
- 2.Rc5#
- 2.Qd3#
- 2.Qf7#
- 1...Bh4
- 2.Sdb2#
- 2.Sab2#
- 2.Sb6#
- 2.Bb5#
- 2.Be6#
- 2.Rxd4#
- 2.Qa6#
- 2.Qe6#
- 1...Bg5
- 2.Sdb2#
- 2.Sab2#
- 2.Sb6#
- 2.Bb5#
- 2.Be6#
- 2.Rxd4#
- 2.Qa6#
- 2.Qe6#
- 1...Be7
- 2.Sdb2#
- 2.Sab2#
- 2.Sb6#
- 2.Bb5#
- 2.Be6#
- 2.Rxd4#
- 2.Qa6#
- 2.Qe6#
- 1...Bd8
- 2.Sdb2#
- 2.Sab2#
- 2.Bb5#
- 2.Be6#
- 2.Rxd4#
- 2.Qa6#
- 2.Qe6#
- 1...Sb3
- 2.Sdb2#
- 2.Sab2#
- 2.Sb6#
- 2.Bb5#
- 2.Be6#
- 2.Qf7#
- 1...Sc6
- 2.Sdb2#
- 2.Sab2#
- 2.Sb6#
- 2.Be6#
- 2.Qf7#
- 1...d3
- 2.Sdb2#
- 2.Se3#
- 2.Sab2#
- 2.Sb6#
- 2.Bb5#
- 2.Be6#
- 2.Qf7#
- 1...dxc3!
- threat
- 1.Qxf5?
- threat
- 2.Sdb2#
- 2.Sab2#
- 2.Sb6#
- 2.Bb5#
- 2.Qb5#
- 2.Qc5#
- 1...dxc3
- 2.Qb5#
- 2.Qc5#
- 1...Be7
- 2.Sdb2#
- 2.Sab2#
- 2.Sb6#
- 2.Bb5#
- 2.Rxd4#
- 2.Qb5#
- 1...Bd8
- 2.Sdb2#
- 2.Sab2#
- 2.Bb5#
- 2.Rxd4#
- 2.Qb5#
- 2.Qc5#
- 1...Sb3
- 2.Sdb2#
- 2.Sab2#
- 2.Sb6#
- 2.Bb5#
- 2.Qb5#
- 1...Sc6
- 2.Sdb2#
- 2.Sab2#
- 2.Sb6#
- 2.Rxc6#
- 2.Qc5#
- 1...Sb7
- 2.Sdb2#
- 2.Sab2#
- 2.Sb6#
- 2.Bb5#
- 2.Qb5#
- 1...Be5!
- threat
- 1.Re5?
- Keys
- 1.Qf7!
- threat
- 2.Re5#
- 1...Kd5
- 2.Se3#
- 1...dxc3
- 2.Re4#
- 1...Rb5
- 2.Rc6#
- 1...Rc5
- 2.Sb6#
- 1...Rd5
- 2.Sdb2#
- 1...Re5
- 2.Rxd4#
- 2.Rxe5#
- 1...Bh4
- 2.Rxd4#
- 1...Be5
- 2.Rf6#
- 1...Bg5
- 2.Rxd4#
- 1...Be7
- 2.Rxd4#
- 1...Bd8
- 2.Rxd4#
- threat
- 1.Qf7!
This anticipates 244363(1992)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- K(a);P_SPINP(b),S_FLIGHT::S(A)
- R(d);SBLOCK::S(E)
- R(d);S_CUTB(e)::R1(C),XP(b)
- B(e);N_GUARD::R1(C),XP(b)
- P(b);N_GUARD::S(A)
- Tries
- Try
- R(F);
- Threat
- DUALS(7)
- Vars
- R(d);XR(F)::R1(C),XP(b)
- B(e);OGATE,XR(F)::QAB(G)
- Refutation
- P(b);XP(D)
- Try
- Q(G);XR(d)
- Threat
- DUALS(6)
- Refutation
- B(e);
- Try
- Actual
- Q(G);
- Threat
- QAB(G)+R(F)
- Vars
- K(a);P_SPINP(b),S_FLIGHT::S(A)
- P(b);XP(D)::QAB(G)+R(F),DCHECK
- R(d);SBLOCK::QAB(G)+R(F),DCHECK
- R(d);SBLOCK::S(E)
- R(d);SBLOCK::S(A)
- B(e);N_GUARD::R1(C),XP(b)
- B(e);S_CUTR(d)::QAB(G)+R(F)
Developed and maintained by Brian Stephenson.
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