MESON Chess Problem Database
Problem Display
PID: 144565 (1B5K/1NR5/4NRP1/4knp1/2pb4/2P5/5P1n/1B1Q4 w - - 0 1)
Cristoffanini, Guido
Magyar Sakkvilag, 1931
#2
11 + 6
SOLUTION
- SOUND
- Sets
- 1...Kd5
- 2.Rc5#
- 1...Se3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sh4
- 2.Qxd4#
- 1...Sd6
- 2.Qxd4#
- 1...Sh6
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sg7
- 2.Qxd4#
- 1...Kd5
- Tries
- 1.Sf4?
- threat
- 2.Rxf5#
- 1...Kxf4
- 2.Rxc4#
- 1...Kxf6
- 2.Rf7#
- 1...Se3
- 2.Rcc6#
- 2.Rcf7#
- 2.Qxd4#
- 1...Sg3
- 2.Rcc6#
- 2.Rcf7#
- 2.Qxd4#
- 1...Sh4
- 2.Rcc6#
- 2.Rcf7#
- 2.Qxd4#
- 1...Sd6
- 2.Qxd4#
- 1...Sh6
- 2.Rcc6#
- 2.Rcf7#
- 2.Qxd4#
- 1...Se7
- 2.Rcc6#
- 2.Qxd4#
- 1...Sg7
- 2.Rcc6#
- 2.Rcf7#
- 2.Qxd4#
- 1...gxf4!
- threat
- 1.Sg7?
- threat
- 2.Rxf5#
- 1...Kf4
- 2.Rxf5#
- 2.Rxc4#
- 1...Kd5
- 2.Rxf5#
- 2.Rc5#
- 1...Sxg7
- 2.Qxd4#
- 1...Se3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sh4
- 2.Qxd4#
- 1...Sd6
- 2.Qxd4#
- 1...Sh6
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Kxf6!
- threat
- 1.Sed8?
- threat
- 2.Rxf5#
- 1...Kf4
- 2.Rxc4#
- 1...Kd5
- 2.Rc5#
- 1...Se3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sh4
- 2.Qxd4#
- 1...Sd6
- 2.Qxd4#
- 1...Sh6
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sg7
- 2.Qxd4#
- 1...Kxf6!
- threat
- 1.Rxc4+?
- 1...Kd5
- 2.Rc5#
- 1...Sd6
- 2.Qxd4#
- 1...Kxf6!
- 1...Kd5
- 1.Rc6+?
- 1...Kd5
- 2.Rc5#
- 1...Sd6
- 2.Qxd4#
- 1...Kxf6!
- 1...Kd5
- 1.Rd7+?
- 1...Sd6
- 2.Qxd4#
- 1...Kxf6!
- 1...Sd6
- 1.Re7+?
- 1...Kd5
- 2.Sc7#
- 1...Sd6
- 2.Rf5#
- 2.Qxd4#
- 1...Kxf6!
- 1...Kd5
- 1.Rcf7+?
- 1...Sd6
- 2.Qxd4#
- 1...Kd5!
- 1...Sd6
- 1.Rc8+?
- 1...Kd5
- 2.Rc5#
- 1...Sd6
- 2.Qxd4#
- 1...Kxf6!
- 1...Kd5
- 1.Qf3?
- threat
- 2.Qxf5#
- 1...Kxf6
- 2.Qxf5#
- 1...Se3
- 2.Rxc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rd7#
- 2.Re7#
- 2.Rcf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rc8#
- 2.cxd4#
- 1...Sg3
- 2.Rxc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rd7#
- 2.Re7#
- 2.Rcf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rc8#
- 2.cxd4#
- 1...Sh4
- 2.Rxc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rd7#
- 2.Re7#
- 2.Rcf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rc8#
- 2.cxd4#
- 1...Sd6
- 2.cxd4#
- 1...Sh6
- 2.Rxc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rd7#
- 2.Re7#
- 2.Rcf7#
- 2.Rg7#
- 2.Rh7#
- 2.Rc8#
- 2.cxd4#
- 1...Se7
- 2.Rxc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rd7#
- 2.Rxe7#
- 2.Rc8#
- 2.cxd4#
- 1...Sg7
- 2.Rxc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rd7#
- 2.Re7#
- 2.Rcf7#
- 2.Rxg7#
- 2.Rc8#
- 2.cxd4#
- 1...Sxf3!
- threat
- 1.Qg4?
- threat
- 2.Qxf5#
- 1...Kd5
- 2.Qe4#
- 1...Kxf6
- 2.Qxf5#
- 1...Se3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sh4
- 2.Qxd4#
- 1...Sd6
- 2.Qxd4#
- 1...Sh6
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sg7
- 2.Qxd4#
- 1...Sxg4!
- threat
- 1.Qd3?
- threat
- 2.Qxf5#
- 1...Kd5
- 2.Rc5#
- 2.Qe4#
- 1...Kxf6
- 2.Qxf5#
- 1...Se3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sh4
- 2.Qxd4#
- 1...Sd6
- 2.Qxd4#
- 1...Sh6
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sg7
- 2.Qxd4#
- 1...cxd3!
- threat
- 1.cxd4+?
- 1...Kd5
- 2.Rc5#
- 1...Sxd4
- 2.Qxd4#
- 1...Kxf6!
- 1...Kd5
- 1.Sf4?
- Keys
- 1.Sf8!
- threat
- 2.Rxf5#
- 1...Kf4
- 2.Rxc4#
- 1...Kd5
- 2.Rc5#
- 1...Kxf6
- 2.Rf7#
- 1...Se3
- 2.Qxd4#
- 1...Sg3
- 2.Qxd4#
- 1...Sh4
- 2.Qxd4#
- 1...Sd6
- 2.Qxd4#
- 1...Sh6
- 2.Qxd4#
- 1...Se7
- 2.Qxd4#
- 1...Sg7
- 2.Qxd4#
- threat
- 1.Sf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(d);P-FLIGHT,P_PINR(F),P_SPINB(c)::R1(I)
- S(e);N_GUARD::QAB1(B),XB(c)
- Tries
- Try
- S(E);
- Threat
- R1(F),XS(e)
- Vars
- K(d);P_PINR(F),P_SPINS(e),S_FLIGHT,XS(E)::B(J)+R(I),XP(b)
- K(d);S_FLIGHT,XR(F)::R1(I)
- S(e);N_GUARD::QAB1(B),XB(c)
- Refutation
- P(f);XS(E)
- Try
- S(E);
- Threat
- R1(F),XS(e)
- Vars
- S(e);N_GUARD,XS(E)::QAB1(B),XB(c)
- S(e);N_GUARD::QAB1(B),XB(c)
- Refutation
- K(d);S_FLIGHT,XR(F)
- Try
- S(E);
- Threat
- R1(F),XS(e)
- Vars
- K(d);P_PINR(F),P_SPINS(e),S_FLIGHT::B(J)+R(I),XP(b)
- K(d);P-FLIGHT,P_PINR(F),P_SPINB(c)::R1(I)
- S(e);N_GUARD::QAB1(B),XB(c)
- Refutation
- K(d);S_FLIGHT,XR(F)
- Try
- R(I);CHECK,XP(b)
- Vars
- K(d);P-FLIGHT,P_PINR(F),P_SPINB(c)::R1(I)
- S(e);P_SPINS(e)::QAB1(B),XB(c)
- Refutation
- K(d);S_FLIGHT,XR(F)
- Try
- R(I);CHECK
- Vars
- K(d);P-FLIGHT,P_PINR(F),P_SPINB(c)::R1(I)
- S(e);P_SPINS(e)::QAB1(B),XB(c)
- Refutation
- K(d);S_FLIGHT,XR(F)
- Try
- R(I);CHECK
- Vars
- S(e);P_SPINS(e)::QAB1(B),XB(c)
- Refutation
- K(d);S_FLIGHT,XR(F)
- Try
- R(I);CHECK
- Vars
- K(d);P-FLIGHT,P_PINR(F),P_SPINB(c)::S(E)
- Refutation
- K(d);S_FLIGHT,XR(F)
- Try
- R(I);CHECK
- Vars
- S(e);P_SPINS(e)::QAB1(B),XB(c)
- Refutation
- K(d);P-FLIGHT,P_PINR(F),P_SPINB(c)
- Try
- R(I);CHECK
- Vars
- K(d);P-FLIGHT,P_PINR(F),P_SPINB(c)::R1(I)
- S(e);P_SPINS(e)::QAB1(B),XB(c)
- Refutation
- K(d);S_FLIGHT,XR(F)
- Try
- Q(B);
- Threat
- QAR1(B),XS(e)
- Vars
- K(d);P_SPINS(e),S_FLIGHT,XR(F)::QAR1(B),XS(e)
- S(e);N_GUARD::P(D),XB(c)
- Refutation
- S(a);XQ(B)
- Try
- Q(B);
- Threat
- QAR1(B),XS(e)
- Vars
- K(d);P-FLIGHT,P_PINR(F)::QAB1(B)
- K(d);S_FLIGHT,XR(F)::QAR1(B),XS(e)
- S(e);N_GUARD::QAB1(B),XB(c)
- Refutation
- S(a);XQ(B)
- Try
- Q(B);
- Threat
- QAR1(B),XS(e)
- Vars
- K(d);S_FLIGHT,XR(F)::QAR1(B),XS(e)
- S(e);N_GUARD::QAB1(B),XB(c)
- Refutation
- P(b);XQ(B)
- Try
- P(D);CHECK,XB(c)
- Vars
- K(d);P-FLIGHT::R1(I)
- S(e);OGATE,XP(D)::QAB1(B),XS(e)
- Refutation
- K(d);S_FLIGHT,XR(F)
- Try
- Actual
- S(E);
- Threat
- R1(F),XS(e)
- Vars
- K(d);P_PINR(F),P_SPINS(e),S_FLIGHT::B(J)+R(I),XP(b)
- K(d);P-FLIGHT,P_PINR(F),P_SPINB(c)::R1(I)
- K(d);S_FLIGHT,XR(F)::R1(I)
- S(e);N_GUARD::QAB1(B),XB(c)
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