MESON Chess Problem Database
Problem Display
PID: 277911 (R1N5/1p2N3/1p3K2/1kPP2PQ/1r1p4/B2P4/8/8 w - - 0 1)
Cheylan, Yves
diagrammes, 1981
#2
10 + 5
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sd6#
- 2.Qe8#
- 1...Rb2
- 2.Sd6#
- 2.Qe8#
- 1...Rb3
- 2.Sd6#
- 2.Qe8#
- 1...Ra4
- 2.Sd6#
- 2.Qe8#
- 1...Rc4
- 2.Sd6#
- 2.Qe8#
- 1...bxc5
- 2.Qe8#
- 1...Rb1
- Tries
- 1.Ke5?
- 1...bxc5
- 2.Qe8#
- 1...Rb1
- 2.Sd6#
- 2.Qe8#
- 1...Rb2
- 2.Sd6#
- 2.Qe8#
- 1...Rb3
- 2.Sd6#
- 2.Qe8#
- 1...Ra4
- 2.Sd6#
- 2.Qe8#
- 1...Rc4
- 2.Sd6#
- 2.Qe8#
- 1...Kxc5!
- 1...bxc5
- 1.Kf5?
- 1...bxc5
- 2.Qe8#
- 1...Rb1
- 2.Sd6#
- 2.Qe8#
- 1...Rb2
- 2.Sd6#
- 2.Qe8#
- 1...Rb3
- 2.Sd6#
- 2.Qe8#
- 1...Ra4
- 2.Sd6#
- 2.Qe8#
- 1...Rc4
- 2.Sd6#
- 2.Qe8#
- 1...Kxc5!
- 1...bxc5
- 1.Ke6?
- 1...bxc5
- 2.Qe8#
- 1...Rb1
- 2.Sd6#
- 2.Qe8#
- 1...Rb2
- 2.Sd6#
- 2.Qe8#
- 1...Rb3
- 2.Sd6#
- 2.Qe8#
- 1...Ra4
- 2.Sd6#
- 2.Qe8#
- 1...Rc4
- 2.Sd6#
- 2.Qe8#
- 1...Kxc5!
- 1...bxc5
- 1.Kg7?
- 1...bxc5
- 2.Qe8#
- 1...Rb1
- 2.Sd6#
- 2.Qe8#
- 1...Rb2
- 2.Sd6#
- 2.Qe8#
- 1...Rb3
- 2.Sd6#
- 2.Qe8#
- 1...Ra4
- 2.Sd6#
- 2.Qe8#
- 1...Rc4
- 2.Sd6#
- 2.Qe8#
- 1...Kxc5!
- 1...bxc5
- 1.Sf5?
- 1...bxc5
- 2.Sfd6#
- 2.Qe8#
- 1...Rb1
- 2.Sxd4#
- 2.Sfd6#
- 2.Scd6#
- 2.Qe8#
- 1...Rb2
- 2.Sxd4#
- 2.Sfd6#
- 2.Scd6#
- 2.Qe8#
- 1...Rb3
- 2.Sxd4#
- 2.Sfd6#
- 2.Scd6#
- 2.Qe8#
- 1...Ra4
- 2.Sfd6#
- 2.Scd6#
- 2.Qe8#
- 1...Rc4
- 2.Sfd6#
- 2.Scd6#
- 2.Qe8#
- 1...Kxc5!
- 1...bxc5
- 1.Sg8?
- 1...bxc5
- 2.Qe8#
- 1...Rb1
- 2.Sd6#
- 2.Qe8#
- 1...Rb2
- 2.Sd6#
- 2.Qe8#
- 1...Rb3
- 2.Sd6#
- 2.Qe8#
- 1...Ra4
- 2.Sd6#
- 2.Qe8#
- 1...Rc4
- 2.Sd6#
- 2.Qe8#
- 1...Kxc5!
- 1...bxc5
- 1.Sxb6?
- 1...Rb1
- 2.Qe8#
- 1...Rb2
- 2.Qe8#
- 1...Rb3
- 2.Qe8#
- 1...Ra4
- 2.Qe8#
- 1...Rc4
- 2.Qe8#
- 2.dxc4#
- 1...Kxc5!
- 1...Rb1
- 1.Ra7?
- 1...bxc5
- 2.Qe8#
- 1...Rb1
- 2.Sd6#
- 2.Qe8#
- 1...Rb2
- 2.Sd6#
- 2.Qe8#
- 1...Rb3
- 2.Sd6#
- 2.Qe8#
- 1...Ra4
- 2.Sd6#
- 2.Qe8#
- 1...Rc4
- 2.Sd6#
- 2.Qe8#
- 1...Kxc5!
- 1...bxc5
- 1.Qg4?
- 1...bxc5
- 2.Qd7#
- 1...Rb1
- 2.Sd6#
- 2.Qd7#
- 1...Rb2
- 2.Sd6#
- 2.Qd7#
- 1...Rb3
- 2.Sd6#
- 2.Qd7#
- 1...Ra4
- 2.Sd6#
- 2.Qd7#
- 1...Rc4
- 2.Sd6#
- 2.Qd7#
- 1...Kxc5!
- 1...bxc5
- 1.Qg6?
- 1...bxc5
- 2.Qe8#
- 1...Rb1
- 2.Sd6#
- 2.Qe8#
- 1...Rb2
- 2.Sd6#
- 2.Qe8#
- 1...Rb3
- 2.Sd6#
- 2.Qe8#
- 1...Ra4
- 2.Sd6#
- 2.Qe8#
- 1...Rc4
- 2.Sd6#
- 2.Qe8#
- 1...Kxc5!
- 1...bxc5
- 1.Qf7?
- 1...bxc5
- 2.Qe8#
- 1...Rb1
- 2.Sd6#
- 2.Qe8#
- 1...Rb2
- 2.Sd6#
- 2.Qe8#
- 1...Rb3
- 2.Sd6#
- 2.Qe8#
- 1...Ra4
- 2.Sd6#
- 2.Qe8#
- 1...Rc4
- 2.Sd6#
- 2.Qe8#
- 1...Kxc5!
- 1...bxc5
- 1.Qh3?
- 1...bxc5
- 2.Qd7#
- 1...Rb1
- 2.Sd6#
- 2.Qd7#
- 1...Rb2
- 2.Sd6#
- 2.Qd7#
- 1...Rb3
- 2.Sd6#
- 2.Qd7#
- 1...Ra4
- 2.Sd6#
- 2.Qd7#
- 1...Rc4
- 2.Sd6#
- 2.Qd7#
- 1...Kxc5!
- 1...bxc5
- 1.Qh8?
- 1...bxc5
- 2.Qe8#
- 1...Rb1
- 2.Sd6#
- 2.Qe8#
- 1...Rb2
- 2.Sd6#
- 2.Qe8#
- 1...Rb3
- 2.Sd6#
- 2.Qe8#
- 1...Ra4
- 2.Sd6#
- 2.Qe8#
- 1...Rc4
- 2.Sd6#
- 2.Qe8#
- 1...Kxc5!
- 1...bxc5
- 1.cxb6?
- 1...Kc5
- 2.Ra5#
- 1...Rb1
- 2.Qe8#
- 1...Rb2
- 2.Qe8#
- 1...Rb3
- 2.Qe8#
- 1...Ra4
- 2.Qe8#
- 1...Rc4!
- 1...Kc5
- 1.g6?
- 1...Kxc5
- 2.d6#
- 1...Rb1
- 2.Sd6#
- 1...Rb2
- 2.Sd6#
- 1...Rb3
- 2.Sd6#
- 1...Ra4
- 2.Sd6#
- 1...Rc4
- 2.Sd6#
- 1...bxc5!
- 1...Kxc5
- 1.Ke5?
- Keys
- 1.d6!
- 1...Kxc5
- 2.g6#
- 1...bxc5
- 2.Qe8#
- 1...Rb1
- 2.Qe8#
- 1...Rb2
- 2.Qe8#
- 1...Rb3
- 2.Qe8#
- 1...Ra4
- 2.Qe8#
- 1...Rc4
- 2.Qe8#
- 1...Kxc5
- 1.d6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- P(d);SBLOCK,XP(C)::QAB(F)
- Tries
- Try
- K(G);S_FLIGHT
- Vars
- P(d);SBLOCK,XP(C)::QAB(F)
- Refutation
- K(c);P-FLIGHT,P_SPINR(a),XP(C)
- Try
- K(G);P-FLIGHT
- Vars
- P(d);SBLOCK,XP(C)::QAB(F)
- Refutation
- K(c);P-FLIGHT,P_SPINR(a),XP(C)
- Try
- K(G);P-FLIGHT
- Vars
- P(d);SBLOCK,XP(C)::QAB(F)
- Refutation
- K(c);P-FLIGHT,P_SPINR(a),XP(C)
- Try
- K(G);S_FLIGHT
- Vars
- P(d);SBLOCK,XP(C)::QAB(F)
- Refutation
- K(c);P-FLIGHT,P_SPINR(a),XP(C)
- Try
- S(H);
- Refutation
- K(c);P-FLIGHT,P_SPINR(a),XP(C)
- Try
- S(H);
- Vars
- P(d);SBLOCK,XP(C)::QAB(F)
- Refutation
- K(c);P-FLIGHT,P_SPINR(a),XP(C)
- Try
- S(J);XP(d)
- Vars
- R(a);::QAB(F)
- Refutation
- K(c);P-FLIGHT,P_SPINR(a),XP(C)
- Try
- R(I);
- Vars
- P(d);SBLOCK,XP(C)::QAB(F)
- Refutation
- K(c);P-FLIGHT,P_SPINR(a),XP(C)
- Try
- Q(F);
- Vars
- P(d);SBLOCK,XP(C)::QAB(F)
- Refutation
- K(c);P-FLIGHT,P_SPINR(a),XP(C)
- Try
- Q(F);
- Vars
- P(d);SBLOCK,XP(C)::QAB(F)
- Refutation
- K(c);P-FLIGHT,P_SPINR(a),XP(C)
- Try
- Q(F);
- Vars
- P(d);SBLOCK,XP(C)::QAB(F)
- Refutation
- K(c);P-FLIGHT,P_SPINR(a),XP(C)
- Try
- Q(F);
- Vars
- P(d);SBLOCK,XP(C)::QAB(F)
- Refutation
- K(c);P-FLIGHT,P_SPINR(a),XP(C)
- Try
- Q(F);
- Vars
- P(d);SBLOCK,XP(C)::QAB(F)
- Refutation
- K(c);P-FLIGHT,P_SPINR(a),XP(C)
- Try
- P(C);XP(d)
- Vars
- K(c);N_GUARD,P-FLIGHT,P_SPINR(a)::R(I)
- R(a);::QAB(F)
- Refutation
- R(a);
- Try
- P(E);
- Vars
- K(c);P-FLIGHT,P_SPINR(a),XP(C)::QAR(F)+P(D)
- R(a);::S(J)
- Refutation
- P(d);XP(C)
- Try
- Actual
- P(D);
- Vars
- K(c);P-FLIGHT,P_SPINR(a),XP(C)::QAR(F)+P(E)
- P(d);SBLOCK,XP(C)::QAB(F)
- R(a);::QAB(F)
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