MESON Chess Problem Database
Problem Display
PID: 91845 (5K2/8/7R/1PNk2PN/2pP2Rb/2r2Prp/1Q4BB/8 w - - 0 1)
Cristoffanini, Guido
Schackvarlden, 1932
#2
12 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Sf4#
- 1...Rc2
- 2.Sf4#
- 1...Ra3
- 2.Sf4#
- 1...Rb3
- 2.Sf4#
- 1...Rd3
- 2.Sf4#
- 1...Re3
- 2.Sf4#
- 1...Rcxf3+
- 2.Sf4#
- 1...Rxg2
- 2.Sf6#
- 2.Rd6#
- 1...Rgxf3+
- 2.Sf6#
- 1...Rxg4
- 2.Rd6#
- 1...Rc1
- Tries
- 1.Sd3?
- threat
- 2.Sb4#
- 1...Rxf3+
- 2.Bxf3#
- 1...Rxd3
- 2.Sf4#
- 1...Rxg4
- 2.Rd6#
- 1...Rb3
- 2.Sdf4#
- 2.Shf4#
- 1...cxd3!
- threat
- 1.Bh1?
- 1...Rcxf3+
- 2.Sf4#
- 1...Rgxf3+
- 2.Sf6#
- 1...Rxg4
- 2.Rd6#
- 1...Rc1
- 2.Sf4#
- 1...Rc2
- 2.Sf4#
- 1...Ra3
- 2.Sf4#
- 1...Rb3
- 2.Sf4#
- 1...Rd3
- 2.Sf4#
- 1...Re3
- 2.Sf4#
- 1...Rg1
- 2.Sf6#
- 2.Rd6#
- 1...Rg2
- 2.Sf6#
- 2.Rd6#
- 1...Bxg5!
- 1...Rcxf3+
- 1.Bxg3?
- threat
- 2.Sf6#
- 2.Rd6#
- 1...Rxf3+
- 2.Sf4#
- 2.Sf6#
- 2.Bxf3#
- 1...Bxg5
- 2.Rd6#
- 1...Bxg3!
- threat
- 1.Rxh4?
- 1...Rcxf3+
- 2.Sf4#
- 1...Rgxf3+
- 2.Sf6#
- 1...Rxg2
- 2.Sf6#
- 2.Rd6#
- 1...Rxg5
- 2.Sf6#
- 2.Rd6#
- 1...Rg4
- 2.Rd6#
- 1...Rc1
- 2.Sf4#
- 1...Rc2
- 2.Sf4#
- 1...Ra3
- 2.Sf4#
- 1...Rb3
- 2.Sf4#
- 1...Rd3
- 2.Sf4#
- 1...Re3
- 2.Sf4#
- 1...hxg2!
- 1...Rcxf3+
- 1.Ra6?
- threat
- 2.Sf6#
- 1...Rxg4
- 2.Rd6#
- 1...Bxg5!
- threat
- 1.Rb6?
- threat
- 2.Sf6#
- 1...Rxg4
- 2.Rd6#
- 1...Bxg5!
- threat
- 1.Rc6?
- threat
- 2.Sf6#
- 1...Rxg4
- 2.Rd6#
- 1...Bxg5!
- threat
- 1.Re6?
- threat
- 2.Sf6#
- 1...Rxg4
- 2.Rd6#
- 1...Bxg5!
- threat
- 1.Rh7?
- threat
- 2.Rd7#
- 1...Rgxf3+
- 2.Sf6#
- 1...Kd6
- 2.Rd7#
- 1...Rcxf3+!
- threat
- 1.Qxc3?
- threat
- 2.Sf4#
- 1...Rxg4
- 2.Sf6#
- 2.Rd6#
- 1...Bxg5!
- threat
- 1.Qd2?
- threat
- 2.Sf4#
- 1...Rxg4
- 2.Sf6#
- 2.Rd6#
- 1...Bxg5
- 2.Qxg5#
- 1...Rd3!
- threat
- 1.Sd3?
- Keys
- 1.Qa1!
- threat
- 2.Qa8#
- 1...Rcxf3+
- 2.Sf4#
- 1...Rgxf3+
- 2.Sf6#
- 1...Rxg4
- 2.Rd6#
- 1...Ra3
- 2.Sf4#
- threat
- 1.Qa1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 5
- Sets
- R(a);::S(J)
- R(a);CHECK,P_SPINR(a),XP(D)::S(J)
- R(b);CHECK,P_SPINR(b),XP(D)::S(J)
- R(b);XR(F)::R1(K)
- Tries
- Try
- S(H);
- Threat
- S(H)
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XP(D)::B(B),XR(b)
- R(a);XS(H)::S(J)
- R(b);XR(F)::R1(K)
- Refutation
- P(d);XS(H)
- Try
- B(B);
- Vars
- R(a);CHECK,P_SPINR(a),XP(D)::S(J)
- R(b);CHECK,P_SPINR(b),XP(D)::S(J)
- R(b);XR(F)::R1(K)
- R(a);::S(J)
- Refutation
- B(e);XP(I)
- Try
- B(C);XR(b)
- Threat
- DUALS(2)
- Vars
- B(e);XP(I)::R1(K)
- Refutation
- B(e);XB(C)
- Try
- R(F);XB(e)
- Vars
- R(a);CHECK,P_SPINR(a),XP(D)::S(J)
- R(b);CHECK,P_SPINR(b),XP(D)::S(J)
- R(b);::R1(K)
- R(a);::S(J)
- Refutation
- P(c);XB(B)
- Try
- R(K);
- Threat
- S(J)
- Vars
- R(b);XR(F)::R1(K)
- Refutation
- B(e);XP(I)
- Try
- R(K);
- Threat
- S(J)
- Vars
- R(b);XR(F)::R1(K)
- Refutation
- B(e);XP(I)
- Try
- R(K);
- Threat
- S(J)
- Vars
- R(b);XR(F)::R1(K)
- Refutation
- B(e);XP(I)
- Try
- R(K);
- Threat
- S(J)
- Vars
- R(b);XR(F)::R1(K)
- Refutation
- B(e);XP(I)
- Try
- R(K);
- Threat
- R(K)
- Vars
- R(b);CHECK,P_SPINR(b),XP(D)::S(J)
- K(f);P-FLIGHT,P_SPINR(b)::R1(K)
- Refutation
- R(a);CHECK,P_SPINR(a),XP(D)
- Try
- Q(A);XR(a)
- Threat
- S(J)
- Refutation
- B(e);XP(I)
- Try
- Q(A);
- Threat
- S(J)
- Vars
- B(e);OGATE,XP(I)::QAR(A),XB(e)
- Refutation
- R(a);
- Try
- Actual
- Q(A);
- Threat
- QAB(A)
- Vars
- R(a);CHECK,P_SPINR(a),XP(D)::S(J)
- R(b);CHECK,P_SPINR(b),XP(D)::S(J)
- R(b);XR(F)::R1(K)
- R(a);::S(J)
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