MESON Chess Problem Database
Problem Display
PID: 18523 (8/Q4nr1/4r3/B1P1R3/2PkBpnN/R4p1q/KN3p2/8 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Volkmann, Albert
van Dijk, Nils Gustav Gerard
3rd Prize, Main-Post, 1956
#2
10 + 9
| 3147 | Chess Problems: Introduction to an Art | 1963 |
| 3105 | FIDE Album (1945-1955) | 1964 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Sxf3#
- 1...Qh2
- 2.Sxf3#
- 1...Se3
- 2.Bc3#
- 1...Qf1
- Tries
- 1.Bb1?
- threat
- 2.Bc3#
- 2.Rd5#
- 1...Kxe5
- 2.Bc3#
- 1...Sgxe5
- 2.c6#
- 1...Sfxe5
- 2.Sf5#
- 1...Rd6
- 2.Bc3#
- 2.Re4#
- 1...Rg5
- 2.Bc3#
- 1...Se3
- 2.Bc3#
- 1...Sf6
- 2.Bc3#
- 1...Rxe5!
- threat
- 1.Bc2?
- threat
- 2.Bc3#
- 2.Rd5#
- 1...Kxe5
- 2.Bc3#
- 1...Sgxe5
- 2.c6#
- 1...Sfxe5
- 2.Sf5#
- 1...Rd6
- 2.Bc3#
- 2.Re4#
- 1...Rg5
- 2.Bc3#
- 1...Se3
- 2.Bc3#
- 1...Sf6
- 2.Bc3#
- 1...Rxe5!
- threat
- 1.Bd3?
- threat
- 2.Bc3#
- 1...Kxe5
- 2.Bc3#
- 1...Sgxe5
- 2.c6#
- 1...Sfxe5
- 2.Sf5#
- 1...Rxe5!
- threat
- 1.Bd5?
- threat
- 2.Bc3#
- 1...Kxe5
- 2.Bc3#
- 1...Rxe5
- 2.Rd3#
- 2.c6#
- 1...Sgxe5
- 2.c6#
- 1...Sfxe5
- 2.Sf5#
- 1...Rb6!
- threat
- 1.Bf5?
- threat
- 2.Bc3#
- 2.Rd5#
- 1...Kxe5
- 2.Bc3#
- 1...Rxe5
- 2.Rd3#
- 1...Sgxe5
- 2.c6#
- 1...Rd6
- 2.Bc3#
- 2.Re4#
- 1...Se3
- 2.Bc3#
- 1...Sf6
- 2.Bc3#
- 1...Sfxe5!
- threat
- 1.Bc6?
- threat
- 2.Bc3#
- 1...Kxe5
- 2.Bc3#
- 1...Rxe5
- 2.Rd3#
- 1...Sfxe5
- 2.Sf5#
- 1...Sgxe5!
- threat
- 1.Bg6?
- threat
- 2.Bc3#
- 2.Rd5#
- 1...Kxe5
- 2.Bc3#
- 1...Rxe5
- 2.Rd3#
- 1...Rexg6
- 2.Bc3#
- 1...Rgxg6
- 2.Bc3#
- 1...Sgxe5
- 2.c6#
- 1...Rd6
- 2.Bc3#
- 2.Re4#
- 1...Se3
- 2.Bc3#
- 1...Sf6
- 2.Bc3#
- 1...Sfxe5!
- threat
- 1.Bb7?
- threat
- 2.Bc3#
- 1...Kxe5
- 2.Bc3#
- 1...Rxe5
- 2.Rd3#
- 1...Sfxe5
- 2.Sf5#
- 1...Sgxe5!
- threat
- 1.Bh7?
- threat
- 2.Bc3#
- 2.Rd5#
- 1...Kxe5
- 2.Bc3#
- 1...Rxe5
- 2.Rd3#
- 1...Rxh7
- 2.Bc3#
- 1...Sgxe5
- 2.c6#
- 1...Rd6
- 2.Bc3#
- 2.Re4#
- 1...Reg6
- 2.Bc3#
- 1...Rg5
- 2.Bc3#
- 1...Rgg6
- 2.Bc3#
- 1...Se3
- 2.Bc3#
- 1...Sf6
- 2.Bc3#
- 1...Sfxe5!
- threat
- 1.Ba8?
- threat
- 2.Bc3#
- 1...Kxe5
- 2.Bc3#
- 1...Rxe5
- 2.Rd3#
- 1...Sfxe5
- 2.Sf5#
- 1...Sgxe5!
- threat
- 1.Bb1?
- Keys
- 1.Bxf3!
- threat
- 2.Bc3#
- 2.Rd5#
- 1...Kxe5
- 2.Bc3#
- 1...Qxf3
- 2.Sxf3#
- 1...Rxe5
- 2.Rd3#
- 1...Sgxe5
- 2.c6#
- 1...Sfxe5
- 2.Sf5#
- 1...Rd6
- 2.Bc3#
- 2.Re4#
- 1...Rg5
- 2.Bc3#
- 1...Se3
- 2.Bc3#
- 1...Sf6
- 2.Bc3#
- threat
- 1.Bxf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 2
- Sets
- Q(c);N_GUARD::S(F),XP(b)
- S(f);SBLOCK::B(G)
- Tries
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT,XR(I)::B(G)
- S(f);SBLOCK,XR(I)::QAB(J)+P(H)
- S(h);SBLOCK,XR(I)::S(F)
- R(i);::B(G)
- S(f);::B(G)
- Refutation
- R(g);XR(I)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT,XR(I)::B(G)
- S(f);SBLOCK,XR(I)::QAB(J)+P(H)
- S(h);SBLOCK,XR(I)::S(F)
- R(i);::B(G)
- S(f);::B(G)
- Refutation
- R(g);XR(I)
- Try
- B(E);
- Threat
- B(G)
- Vars
- K(d);S_FLIGHT,XR(I)::B(G)
- S(f);SBLOCK,XR(I)::QAB(J)+P(H)
- S(h);SBLOCK,XR(I)::S(F)
- Refutation
- R(g);XR(I)
- Try
- B(E);
- Threat
- B(G)
- Vars
- K(d);S_FLIGHT,XR(I)::B(G)
- S(f);SBLOCK,XR(I)::QAB(J)+P(H)
- S(h);SBLOCK,XR(I)::S(F)
- Refutation
- R(g);
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT,XR(I)::B(G)
- R(g);SBLOCK,XR(I)::R1(C)
- S(f);SBLOCK,XR(I)::QAB(J)+P(H)
- S(f);::B(G)
- Refutation
- S(h);XR(I)
- Try
- B(E);
- Threat
- B(G)
- Vars
- K(d);S_FLIGHT,XR(I)::B(G)
- R(g);SBLOCK,XR(I)::R1(C)
- S(h);SBLOCK,XR(I)::S(F)
- Refutation
- S(f);XR(I)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT,XR(I)::B(G)
- R(g);SBLOCK,XR(I)::R1(C)
- R(g);XB(E)::B(G)
- R(i);XB(E)::B(G)
- S(f);SBLOCK,XR(I)::QAB(J)+P(H)
- S(f);::B(G)
- Refutation
- S(h);XR(I)
- Try
- B(E);
- Threat
- B(G)
- Vars
- K(d);S_FLIGHT,XR(I)::B(G)
- R(g);SBLOCK,XR(I)::R1(C)
- S(h);SBLOCK,XR(I)::S(F)
- Refutation
- S(f);XR(I)
- Try
- B(E);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT,XR(I)::B(G)
- R(g);SBLOCK,XR(I)::R1(C)
- R(i);XB(E)::B(G)
- S(f);SBLOCK,XR(I)::QAB(J)+P(H)
- R(g);::B(G)
- R(i);::B(G)
- S(f);::B(G)
- Refutation
- S(h);XR(I)
- Try
- B(E);
- Threat
- B(G)
- Vars
- K(d);S_FLIGHT,XR(I)::B(G)
- R(g);SBLOCK,XR(I)::R1(C)
- S(h);SBLOCK,XR(I)::S(F)
- Refutation
- S(f);XR(I)
- Try
- Actual
- B(E);XP(b)
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT,XR(I)::B(G)
- Q(c);XB(E)::S(F),XQ(c)
- R(g);SBLOCK,XR(I)::R1(C)
- S(f);SBLOCK,XR(I)::QAB(J)+P(H)
- S(h);SBLOCK,XR(I)::S(F)
- R(i);::B(G)
- S(f);::B(G)
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