MESON Chess Problem Database
Problem Display
PID: 92857 (3r4/2P1RB2/4N1QB/2pPrR2/b1pNk3/1P6/6P1/5K2 w - - 0 1)
Cristoffanini, Guido
1st Prize=, Karlovac Chess Club, 1934
#2
12 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kd3
- 2.Rf3#
- 1...Rxf5+
- 2.Qxf5#
- 1...cxd4
- 2.Sc5#
- 1...Kd3
- Tries
- 1.Se2?
- threat
- 2.Sxc5#
- 1...Rxf5+
- 2.S6f4#
- 1...Kd3
- 2.Rf3#
- 2.Rxe5#
- 1...Kxd5
- 2.Sg5#
- 1...Rxe6
- 2.Rh5#
- 1...Rdxd5!
- threat
- 1.Sf3?
- threat
- 2.Sxc5#
- 2.Rxe5#
- 1...Kxd5
- 2.Seg5#
- 1...Rexd5
- 2.Sxc5#
- 2.Re5#
- 1...Rxf5
- 2.Sf4#
- 2.Sxc5#
- 1...Rxe6
- 2.Re5#
- 2.Rh5#
- 1...Rdxd5
- 2.Rxe5#
- 1...Kd3!
- threat
- 1.Sc6?
- threat
- 2.Sxc5#
- 2.Rxe5#
- 1...Rxf5+
- 2.Sf4#
- 1...Kd3
- 2.Rf3#
- 1...Kxd5
- 2.Sg5#
- 1...Rexd5
- 2.Sxc5#
- 2.Re5#
- 1...Rxe6
- 2.Re5#
- 2.Rh5#
- 1...Rdxd5
- 2.Rxe5#
- 1...Bxc6!
- threat
- 1.Rf2+?
- 1...Rf5
- 2.Qxf5#
- 1...Kxd5!
- 1...Rf5
- 1.Rf3+?
- 1...Rf5
- 2.Qxf5#
- 1...Kxd5!
- 1...Rf5
- 1.Rf4+?
- 1...Ke3
- 2.Rf3#
- 1...Kxd5!
- 1...Ke3
- 1.Rh5+?
- 1...Rf5+
- 2.Qxf5#
- 1...Kxd5!
- 1...Rf5+
- 1.Rf6+?
- 1...Rf5+
- 2.Qxf5#
- 1...Kxd5!
- 1...Rf5+
- 1.Qg3?
- threat
- 2.Rxe5#
- 2.Qf3#
- 1...Kxd5
- 2.Qxe5#
- 1...Rexd5
- 2.Qe3#
- 2.Qf3#
- 1...Rxe6
- 2.Qe3#
- 1...Rdxd5
- 2.Rf4#
- 2.Qe3#
- 2.Qf3#
- 1...Rxf5+!
- threat
- 1.Se2?
- Keys
- 1.Sc2!
- threat
- 2.Sxc5#
- 1...Rxf5+
- 2.Sf4#
- 1...Kd3
- 2.Rf3#
- 1...Kxd5
- 2.Sg5#
- 1...Rxe6
- 2.Rh5#
- 1...Rdxd5
- 2.Rf4#
- threat
- 1.Sc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- K(c);S_FLIGHT::QAB(H)+R(F),DCHECK
- R(e);CHECK,OGATE,P_SPINR(e),XR(F)::QAB1(H),XR(e)
- P(d);SBLOCK,XS(D)::S(G)
- Tries
- Try
- S(D);
- Threat
- S(G),XP(d)
- Vars
- R(e);CHECK,P_SPINR(e),XR(F)::R(K)+S(G)
- K(c);P_SPINR(e),S_FLIGHT,XP(E)::B(L)+S(G)
- R(e);N_GUARD,P_SPINR(e),XS(G)::QAB(H)+R(F)
- Refutation
- R(f);XP(E)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- K(c);P_SPINR(e),S_FLIGHT,XP(E)::B(L)+S(G)
- R(f);XP(E)::QAB(H)+R(F),DCHECK,XR(e)
- Refutation
- K(c);S_FLIGHT
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(e);CHECK,P_SPINR(e),XR(F)::R(K)+S(G)
- K(c);S_FLIGHT::QAB(H)+R(F),DCHECK
- K(c);P_SPINR(e),S_FLIGHT,XP(E)::B(L)+S(G)
- R(f);XP(E)::QAB(H)+R(F),DCHECK,XR(e)
- Refutation
- B(a);XS(D)
- Try
- R(F);CHECK
- Vars
- R(e);N_GUARD,P_PINR(F),P_SPINR(e)::QAB1(H),XR(e)
- Refutation
- K(c);S_FLIGHT,XP(E)
- Try
- R(F);CHECK
- Vars
- R(e);N_GUARD,P_PINR(F),P_SPINR(e)::QAB1(H),XR(e)
- Refutation
- K(c);S_FLIGHT,XP(E)
- Try
- R(F);CHECK
- Vars
- K(c);P-FLIGHT::B(I)+R(F),DCHECK
- Refutation
- K(c);S_FLIGHT,XP(E)
- Try
- R(F);CHECK
- Vars
- R(e);CHECK,N_GUARD,P_SPINR(e)::QAB1(H),XR(e)
- Refutation
- K(c);P_SPINR(e),S_FLIGHT,XP(E)
- Try
- R(F);CHECK
- Vars
- R(e);CHECK,N_GUARD,P_SPINR(e)::QAB1(H),XR(e)
- Refutation
- K(c);S_FLIGHT,XP(E)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- K(c);P_SPINR(e),S_FLIGHT,XP(E)::QAR1(H),XR(e)
- R(e);P_SPINR(e),XS(G)::QAR1(H)
- Refutation
- R(e);CHECK,XR(F)
- Try
- Actual
- S(D);
- Threat
- S(G),XP(d)
- Vars
- R(e);CHECK,P_SPINR(e),XR(F)::R(K)+S(G)
- K(c);S_FLIGHT::QAB(H)+R(F),DCHECK
- K(c);P_SPINR(e),S_FLIGHT,XP(E)::B(L)+S(G)
- R(e);N_GUARD,P_SPINR(e),XS(G)::QAB(H)+R(F)
- R(f);SBLOCK,XP(E)::QAB(H)+R(F),DCHECK
Developed and maintained by Brian Stephenson.
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