MESON Chess Problem Database
Problem Display
PID: 259573 (8/8/K7/1Rp2PB1/6N1/5kNP/2PpqPpP/3Bb1n1 w - - 0 1)
Cheylan, Yves
Mat, 1980
#2
11 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qxd1
- 2.Rb3#
- 1...Bxf2
- 2.Se5#
- 1...Sxh3
- 2.Bxe2#
- 1...Qxd1
- Tries
- 1.Ka5?
- threat
- 2.Rb3#
- 1...Bxf2
- 2.Se5#
- 1...Sxh3
- 2.Bxe2#
- 1...c4!
- threat
- 1.Kb6?
- threat
- 2.Rb3#
- 1...Bxf2
- 2.Se5#
- 1...Sxh3
- 2.Bxe2#
- 1...c4!
- threat
- 1.Ka7?
- threat
- 2.Rb3#
- 1...Bxf2
- 2.Se5#
- 1...Sxh3
- 2.Bxe2#
- 1...c4!
- threat
- 1.Kb7?
- threat
- 2.Rb3#
- 1...Bxf2
- 2.Se5#
- 1...Sxh3
- 2.Bxe2#
- 1...c4!
- threat
- 1.Bh6?
- 1...Qxd1
- 2.Rb3#
- 1...Bxf2
- 2.Se5#
- 1...Sxh3
- 2.Bxe2#
- 1...c4!
- 1...Qxd1
- 1.c4?
- threat
- 2.Rb3#
- 1...Bxf2
- 2.Se5#
- 1...Sxh3
- 2.Bxe2#
- 1...Qxd1!
- threat
- 1.Ka5?
- Keys
- 1.f6!
- 1...Qxd1
- 2.Rb3#
- 1...Bxf2
- 2.Se5#
- 1...Sxh3
- 2.Bxe2#
- 1...c4
- 2.Rf5#
- 1...Qxd1
- 1.f6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(d);N_PINR(H),N_SPINQ(d),XB(A)::R(H)
- B(a);SBLOCK,XP(C)::S(G)
- S(b);N_GUARD,XP(F)::B(A),XQ(d)
- Tries
- Try
- K(K);N_SPINR(H),P-FLIGHT
- Threat
- R(H)
- Vars
- B(a);SBLOCK,XP(C)::S(G)
- S(b);N_GUARD,XP(F)::B(A),XQ(d)
- Refutation
- P(g);
- Try
- K(K);N_SPINR(H),P-FLIGHT
- Threat
- R(H)
- Vars
- B(a);SBLOCK,XP(C)::S(G)
- S(b);N_GUARD,XP(F)::B(A),XQ(d)
- Refutation
- P(g);
- Try
- K(K);N_SPINR(H),P-FLIGHT
- Threat
- R(H)
- Vars
- B(a);SBLOCK,XP(C)::S(G)
- S(b);N_GUARD,XP(F)::B(A),XQ(d)
- Refutation
- P(g);
- Try
- K(K);N_SPINR(H),S_FLIGHT
- Threat
- R(H)
- Vars
- B(a);SBLOCK,XP(C)::S(G)
- S(b);N_GUARD,XP(F)::B(A),XQ(d)
- Refutation
- P(g);
- Try
- B(J);
- Vars
- Q(d);N_PINR(H),N_SPINQ(d),XB(A)::R(H)
- B(a);SBLOCK,XP(C)::S(G)
- S(b);N_GUARD,XP(F)::B(A),XQ(d)
- Refutation
- P(g);N_PINR(H)
- Try
- P(B);N_SPINR(H)
- Threat
- R(H)
- Vars
- B(a);SBLOCK,XP(C)::S(G)
- S(b);N_GUARD,XP(F)::B(A),XQ(d)
- Refutation
- Q(d);N_SPINQ(d),XB(A)
- Try
- Actual
- P(I);
- Vars
- Q(d);N_PINR(H),N_SPINQ(d),XB(A)::R(H)
- B(a);SBLOCK,XP(C)::S(G)
- S(b);N_GUARD,XP(F)::B(A),XQ(d)
- P(g);N_PINR(H)::R(H)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).