MESON Chess Problem Database
Problem Display
PID: 144313 (8/2RR2Np/K1Q3rk/6pP/6p1/8/8/8 w - - 0 1)
Savournin, Jacques
diagrammes, 1973
#2
6 + 5
SOLUTION
- SOUND
- Sets
- 1...Rxc6+
- 2.Rxc6#
- 1...Rd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Re6
- 2.Qxe6#
- 1...Rf6
- 2.Qxf6#
- 1...Rxc6+
- Tries
- 1.Ka5?
- 1...Rxc6
- 2.Rxc6#
- 1...Rd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Re6
- 2.Qxe6#
- 1...Rf6
- 2.Qxf6#
- 1...g3!
- 1...Rxc6
- 1.Kb5?
- 1...Rxc6
- 2.Rxc6#
- 1...Rd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Re6
- 2.Qxe6#
- 1...Rf6
- 2.Qxf6#
- 1...g3!
- 1...Rxc6
- 1.Kb6?
- 1...Rxc6+
- 2.Rxc6#
- 1...Rd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Re6
- 2.Qxe6#
- 1...Rf6
- 2.Qxf6#
- 1...g3!
- 1...Rxc6+
- 1.Ka7?
- 1...Rxc6
- 2.Rxc6#
- 1...Rd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Re6
- 2.Qxe6#
- 1...Rf6
- 2.Qxf6#
- 1...g3!
- 1...Rxc6
- 1.Kb7?
- 1...Rxc6
- 2.Rxc6#
- 1...Rd6
- 2.Rxd6#
- 2.Qxd6#
- 1...Re6
- 2.Qxe6#
- 1...Rf6
- 2.Qxf6#
- 1...g3!
- 1...Rxc6
- 1.Rc8?
- 1...Rxc6+
- 2.Rxc6#
- 1...Rd6
- 2.Qxd6#
- 1...Re6
- 2.Qxe6#
- 1...Rf6
- 2.Qxf6#
- 1...g3!
- 1...Rxc6+
- 1.Rd6?
- 1...Rxd6
- 2.Qxd6#
- 1...Re6
- 2.Rxe6#
- 1...Rf6
- 2.Rxf6#
- 1...g3!
- 1...Rxd6
- 1.Re7?
- 1...Rxc6+
- 2.Rxc6#
- 1...Rd6
- 2.Qxd6#
- 1...Re6
- 2.Rxe6#
- 2.Qxe6#
- 1...Rf6
- 2.Qxf6#
- 1...g3!
- 1...Rxc6+
- 1.Rf7?
- 1...Rxc6+
- 2.Rxc6#
- 1...Rd6
- 2.Qxd6#
- 1...Re6
- 2.Qxe6#
- 1...Rf6
- 2.Rxf6#
- 2.Qxf6#
- 1...g3!
- 1...Rxc6+
- 1.Qd6?
- 1...Rxd6+
- 2.Rxd6#
- 1...Re6
- 2.Qxe6#
- 1...Rf6
- 2.Qxf6#
- 1...g3!
- 1...Rxd6+
- 1.hxg6?
- 1...hxg6
- 2.Qh1#
- 1...g3!
- 1...hxg6
- 1.Ka5?
- Keys
- 1.Se6!
- threat
- 2.Rxh7#
- 1...Kxh5
- 2.Qh1#
- 1...Rg7
- 2.Sxg7#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- R(c);CHECK,N_SPINR(c),OGATE,XQ(C)::R(D),XR(c)
- R(c);::QAR(C),XR(c)
- R(c);::QAR2(C),XR(c)
- Tries
- Try
- K(B);N_SPINQ(C),P-FLIGHT
- Vars
- R(c);N_SPINR(c),OGATE,XQ(C)::R(D),XR(c)
- R(c);OGATEB::QAR(C),XR(c)
- R(c);OGATEB::QAR2(C),XR(c)
- Refutation
- P(a);
- Try
- K(B);N_SPINQ(C),S_FLIGHT
- Vars
- R(c);N_SPINR(c),OGATE,XQ(C)::R(D),XR(c)
- R(c);OGATEB::QAR(C),XR(c)
- R(c);OGATEB::QAR2(C),XR(c)
- Refutation
- P(a);
- Try
- K(B);P-FLIGHT
- Vars
- R(c);CHECK,N_SPINR(c),OGATE,XQ(C)::R(D),XR(c)
- R(c);::QAR(C),XR(c)
- R(c);::QAR2(C),XR(c)
- Refutation
- P(a);
- Try
- K(B);N_SPINQ(C),P-FLIGHT
- Vars
- R(c);N_SPINR(c),OGATE,XQ(C)::R(D),XR(c)
- R(c);OGATEB::QAR(C),XR(c)
- R(c);OGATEB::QAR2(C),XR(c)
- Refutation
- P(a);
- Try
- K(B);N_SPINQ(C),S_FLIGHT
- Vars
- R(c);N_SPINR(c),OGATE,XQ(C)::R(D),XR(c)
- R(c);OGATEB::QAR(C),XR(c)
- R(c);OGATEB::QAR2(C),XR(c)
- Refutation
- P(a);
- Try
- R(D);
- Vars
- R(c);CHECK,N_SPINR(c),OGATE,XQ(C)::R(D),XR(c)
- R(c);::QAR(C),XR(c)
- R(c);::QAR2(C),XR(c)
- Refutation
- P(a);
- Try
- R(E);N_SPINQ(C)
- Vars
- R(c);OGATE,P_PINQ(C),XR(E)::QAR(C),XR(c)
- R(c);OGATEB::R(E),XR(c)
- Refutation
- P(a);
- Try
- R(E);
- Vars
- R(c);CHECK,N_SPINR(c),OGATE,XQ(C)::R(D),XR(c)
- R(c);::QAR(C),XR(c)
- R(c);::QAR2(C),XR(c)
- Refutation
- P(a);
- Try
- R(E);
- Vars
- R(c);CHECK,N_SPINR(c),OGATE,XQ(C)::R(D),XR(c)
- R(c);::QAR(C),XR(c)
- Refutation
- P(a);
- Try
- Q(C);
- Vars
- R(c);CHECK,N_SPINR(c),OGATE,XQ(C)::R(E),XR(c)
- R(c);::QAR(C),XR(c)
- R(c);::QAR2(C),XR(c)
- Refutation
- P(a);
- Try
- P(A);N_SPINQ(C),XR(c)
- Vars
- P(e);P_SPINP(e),SBLOCK,XP(A)::QAR(C)
- Refutation
- P(a);
- Try
- Actual
- S(F);N_PINR(c),N_SPINQ(C)
- Threat
- R1(E),XP(e)
- Vars
- K(d);OGATEB,P-FLIGHT,XP(A)::QAR(C)
- R(c);::QAR(C)+S(F),XR(c)
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