MESON Chess Problem Database
Problem Display
PID: 55389 (1nqbQ1N1/3B1pP1/2p3b1/6Bk/5R1P/6R1/4p1N1/6nK w - - 0 1)
Ahues, Herbert Siegfried Oskar
3rd Prize, Schach-Echo, 1962
#2
10 + 9
| 3747 | FIDE Album (1962-1964) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Qa6
- 2.Bg4#
- 1...Qb7
- 2.Bg4#
- 1...Qc7
- 2.Bg4#
- 1...Ba5
- 2.Sf6#
- 1...Bxg5
- 2.Rxg5#
- 1...Bb6
- 2.Sf6#
- 1...Bf6
- 2.Sxf6#
- 1...Bc7
- 2.Sf6#
- 1...Sh3
- 2.Qxe2#
- 1...Qa6
- Tries
- 1.Bxd8?
- threat
- 2.Rg5#
- 1...Qxd8
- 2.Bg4#
- 1...Sh3
- 2.Qxe2#
- 1...f6
- 2.Rf5#
- 2.Qxg6#
- 1...Sf3!
- threat
- 1.Rf2?
- threat
- 2.Sf4#
- 1...Bxg5
- 2.Rxg5#
- 1...Qc7
- 2.Bg4#
- 1...Bc7
- 2.Sf6#
- 1...Sh3
- 2.Qxe2#
- 1...Be4!
- threat
- 1.Rff3?
- threat
- 2.Sf4#
- 1...Bxg5
- 2.Rxg5#
- 1...Qc7
- 2.Bg4#
- 1...Bc7
- 2.Sf6#
- 1...Sh3!
- threat
- 1.Ra4?
- threat
- 2.Sf4#
- 1...Bxg5
- 2.Rxg5#
- 1...Qc7
- 2.Bg4#
- 1...Bc7
- 2.Sf6#
- 1...Sh3
- 2.Qxe2#
- 1...Be4!
- threat
- 1.Rb4?
- threat
- 2.Sf4#
- 1...Bxg5
- 2.Rxg5#
- 1...Qc7
- 2.Bg4#
- 1...Bc7
- 2.Sf6#
- 1...Sh3
- 2.Qxe2#
- 1...Be4!
- threat
- 1.Rc4?
- threat
- 2.Sf4#
- 1...Bxg5
- 2.Rxg5#
- 1...Qc7
- 2.Bg4#
- 1...Bc7
- 2.Sf6#
- 1...Sh3
- 2.Qxe2#
- 1...Be4!
- threat
- 1.Rd4?
- threat
- 2.Sf4#
- 1...Bxg5
- 2.Rxg5#
- 1...Qc7
- 2.Bg4#
- 1...Bc7
- 2.Sf6#
- 1...Sh3
- 2.Qxe2#
- 1...Be4!
- threat
- 1.Rf5?
- threat
- 2.Sf4#
- 1...Bxg5
- 2.Rgxg5#
- 2.Rfxg5#
- 1...Bc7
- 2.Sf6#
- 1...Sh3
- 2.Qxe2#
- 1...Qc7!
- threat
- 1.Rf6?
- threat
- 2.Sf4#
- 1...Qc7
- 2.Bg4#
- 1...Be4
- 2.Rh6#
- 1...Sh3
- 2.Qxe2#
- 1...Bc7!
- threat
- 1.Qxe2+?
- 1...Sf3
- 2.Qxf3#
- 1...Sxe2!
- 1...Sf3
- 1.Bxd8?
- Keys
- 1.Rxf7!
- threat
- 2.Sf4#
- 1...Bxg5
- 2.Rxg5#
- 1...Be4
- 2.Rf5#
- 1...Qc7
- 2.Bg4#
- 1...Bc7
- 2.Sf6#
- 1...Sh3
- 2.Qxe2#
- threat
- 1.Rxf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- Q(h);N_GUARD,SBLOCK::B(G)
- Q(h);N_GUARD::B(G)
- B(i);N_GUARD,SBLOCK::S(J)
- B(i);OGATE,XB(F)::R1(C),XB(i)
- B(i);N_GUARD::S(J)
- B(i);N_GUARD::S(J),XB(i)
- S(a);N_GUARD::QAB(I),XP(b)
- Tries
- Try
- B(F);XB(i)
- Threat
- R1(C)
- Vars
- Q(h);N_GUARD,XB(F)::B(G)
- S(a);N_GUARD::QAB(I),XP(b)
- Refutation
- S(a);
- Try
- R(D);
- Threat
- S(B)
- Vars
- B(i);OGATE,XB(F)::R1(C),XB(i)
- Q(h);N_GUARD::B(G)
- B(i);N_GUARD::S(J)
- S(a);N_GUARD::QAB(I),XP(b)
- Refutation
- B(e);P_PINS(B),P_SPINP(f)
- Try
- R(D);
- Threat
- S(B)
- Vars
- B(i);OGATE,XB(F)::R1(C),XB(i)
- Q(h);N_GUARD::B(G)
- B(i);N_GUARD::S(J)
- Refutation
- S(a);
- Try
- R(D);
- Threat
- S(B)
- Vars
- B(i);OGATE,XB(F)::R1(C),XB(i)
- Q(h);N_GUARD::B(G)
- B(i);N_GUARD::S(J)
- S(a);N_GUARD::QAB(I),XP(b)
- Refutation
- B(e);P_PINS(B),P_SPINP(f)
- Try
- R(D);
- Threat
- S(B)
- Vars
- B(i);OGATE,XB(F)::R1(C),XB(i)
- Q(h);N_GUARD::B(G)
- B(i);N_GUARD::S(J)
- S(a);N_GUARD::QAB(I),XP(b)
- Refutation
- B(e);P_PINS(B),P_SPINP(f)
- Try
- R(D);
- Threat
- S(B)
- Vars
- B(i);OGATE,XB(F)::R1(C),XB(i)
- Q(h);N_GUARD::B(G)
- B(i);N_GUARD::S(J)
- S(a);N_GUARD::QAB(I),XP(b)
- Refutation
- B(e);P_PINS(B),P_SPINP(f)
- Try
- R(D);
- Threat
- S(B)
- Vars
- B(i);OGATE,XB(F)::R1(C),XB(i)
- Q(h);N_GUARD::B(G)
- B(i);N_GUARD::S(J)
- S(a);N_GUARD::QAB(I),XP(b)
- Refutation
- B(e);P_PINS(B),P_SPINP(f)
- Try
- R(D);
- Threat
- S(B)
- Vars
- B(i);N_GUARD::S(J)
- S(a);N_GUARD::QAB(I),XP(b)
- Refutation
- Q(h);
- Try
- R(D);
- Threat
- S(B)
- Vars
- Q(h);N_GUARD::B(G)
- B(e);OGATE,P_PINS(B),P_SPINP(f)::R1(D)
- S(a);N_GUARD::QAB(I),XP(b)
- Refutation
- B(i);
- Try
- Q(I);CHECK,XP(b)
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB(I),XS(a)
- Refutation
- S(a);XQ(I)
- Try
- Actual
- R(D);XP(f)
- Threat
- S(B)
- Vars
- B(i);OGATE,XB(F)::R1(C),XB(i)
- B(e);OGATEB,P_PINS(B)::QAB(I)+R(D)
- Q(h);N_GUARD::B(G)
- B(i);N_GUARD::S(J)
- S(a);N_GUARD::QAB(I),XP(b)
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