MESON Chess Problem Database
Problem Display
PID: 139260 (3rbq2/4NN2/Q2bp3/PPP5/K1k5/1Rpp1B2/n7/6B1 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Zurcher Woche, 1965
#2
10 + 9
| 23 | Die Schwalbe | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Rd7
- 2.b6#
- 1...Ra8
- 2.Sxd6#
- 1...Rb8
- 2.Sxd6#
- 1...Rc8
- 2.Sxd6#
- 1...Bxc5
- 2.Se5#
- 1...Be5
- 2.Sxe5#
- 1...Bxe7
- 2.Se5#
- 1...Bxb5+
- 2.Qxb5#
- 1...Bc6
- 2.bxc6#
- 1...Bd7
- 2.Sxd6#
- 1...Bxf7
- 2.b6#
- 1...Sc1
- 2.Rb4#
- 1...Sb4
- 2.Rxb4#
- 1...d2
- 2.Be2#
- 1...e5
- 2.Bd5#
- 1...Rd7
- Tries
- 1.Sc6?
- threat
- 2.b6#
- 1...Bxc6
- 2.bxc6#
- 1...Sb4
- 2.Rxb4#
- 1...Ra8!
- threat
- 1.c6?
- threat
- 2.b6#
- 1...Bxc6
- 2.bxc6#
- 1...Ra8
- 2.Sxd6#
- 1...Sb4!
- threat
- 1.Sc6?
- Keys
- 1.Bc6!
- threat
- 2.b6#
- 1...Bxc6
- 2.bxc6#
- 1...Ra8
- 2.Sxd6#
- 1...Sb4
- 2.Rxb4#
- threat
- 1.Bc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 12
- Sets
- R(g);N_PINP(F)::QAB(H)+P(F)
- R(g);N_GUARD::S(J),XB(e)
- B(e);N_GUARD,XP(G)::S(J)
- B(e);N_GUARD::S(J),XB(e)
- B(e);N_GUARD,XS(I)::S(J)
- B(h);CHECK,OGATE,P_SPINB(h),XP(F)::QAB1(H),XB(h)
- B(h);::QAB(H)+P(F),XB(h)
- B(h);S_CUTR(g)::S(J),XB(e)
- B(h);N_PINP(F),XS(J)::QAB(H)+P(F)
- S(a);N_GUARD::R1(B)
- S(a);N_GUARD::R1(B),XS(a)
- P(c);OGATEB::B(C)
- P(f);N_GUARD::B(C)
- Tries
- Try
- S(I);N_SPINP(F)
- Threat
- QAB(H)+P(F)
- Vars
- B(h);OGATE,P_PINP(F),XS(I)::QAB(H)+P(F),XB(h)
- S(a);N_GUARD::R1(B),XS(a)
- Refutation
- R(g);
- Try
- P(G);N_SPINP(F)
- Threat
- QAB(H)+P(F)
- Vars
- B(h);OGATE,P_PINP(F),XP(G)::QAB(H)+P(F),XB(h)
- R(g);N_GUARD::S(J),XB(e)
- Refutation
- S(a);
- Try
- Actual
- B(C);N_SPINP(F)
- Threat
- QAB(H)+P(F)
- Vars
- B(h);OGATE,P_PINP(F),XB(C)::QAB(H)+P(F),XB(h)
- R(g);N_GUARD::S(J),XB(e)
- S(a);N_GUARD::R1(B),XS(a)
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