MESON Chess Problem Database
Problem Display
PID: 262332 (5n2/4N3/1n1p1p2/Q1qbk3/3NB3/2R2PK1/1B6/3R4 w - - 0 1)
Leschemelle, Matthieu
Europe Echecs, 1995
#2
9 + 7
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Qa3
- 2.Sec6#
- 1...Qb4
- 2.Sec6#
- 1...Qc6
- 2.Sexc6#
- 1...Ba2
- 2.Sec6#
- 1...Bb3
- 2.Sec6#
- 1...Bc4
- 2.Sec6#
- 1...Bxe4
- 2.f4#
- 1...Bc6
- 2.Sexc6#
- 1...Be6
- 2.Sdc6#
- 2.Sec6#
- 1...Bf7
- 2.Sec6#
- 1...Bg8
- 2.Sec6#
- 1...Se6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- 1...Sd7
- 2.Sg6#
- 1...Sh7
- 2.Sg6#
- 1...Qa3
- Tries
- 1.Re3?
- threat
- 2.Bxd5#
- 2.f4#
- 1...Qxd4
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bxd5#
- 2.Bf5#
- 2.Bg6#
- 2.Bh7#
- 1...Bxe4
- 2.Rxe4#
- 2.f4#
- 1...Qa3
- 2.Sec6#
- 2.Bd3#
- 2.f4#
- 1...Qc1
- 2.f4#
- 1...Qc2
- 2.Bxc2#
- 2.Bd3#
- 2.f4#
- 1...Qc3
- 2.f4#
- 1...Ba2
- 2.Sec6#
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 2.f4#
- 1...Bb3
- 2.Sec6#
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 2.f4#
- 1...Bc4
- 2.Sec6#
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 2.f4#
- 1...Bc6
- 2.Sexc6#
- 2.Bd5#
- 2.Bxc6#
- 2.f4#
- 1...Be6
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sdf5#
- 2.Sdc6#
- 2.Sec6#
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 2.f4#
- 1...Bb7
- 2.Bd5#
- 2.Bc6#
- 2.Bxb7#
- 2.f4#
- 1...Bf7
- 2.Sec6#
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 2.f4#
- 1...Ba8
- 2.Bd5#
- 2.Bc6#
- 2.Bb7#
- 2.Bxa8#
- 2.f4#
- 1...Bg8
- 2.Sec6#
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bd5#
- 2.Bf5#
- 2.Bc6#
- 2.Bg6#
- 2.Bb7#
- 2.Bh7#
- 2.Ba8#
- 2.f4#
- 1...Sc4
- 2.f4#
- 1...Se6
- 2.Sdc6#
- 2.Sg6#
- 2.Bxd5#
- 1...Sg6
- 2.Sxg6#
- 2.Bxd5#
- 1...f5!
- threat
- 1.Re3?
- Keys
- 1.Bf5!
- threat
- 2.f4#
- 1...Qxd4
- 2.Re3#
- 1...Qxc3
- 2.Sdc6#
- 1...Bxf3
- 2.Sxf3#
- 1...Se6
- 2.Sg6#
- 1...Sg6
- 2.Sxg6#
- threat
- 1.Bf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 12
- Sets
- Q(a);N_GUARD,P_SPINB(b)::S(I)
- Q(a);N_GUARD,P_SPINB(b)::S(I),XQ(a)
- B(b);N_GUARD,P_SPINQ(a)::S(I)
- B(b);P_SPINQ(a),SBLOCK,XB(G)::P(D)
- B(b);N_GUARD,P_SPINQ(a)::S(I),XB(b)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- Tries
- Try
- R(C);
- Threat
- DUALS(2)
- Vars
- Q(a);P_SPINB(b)::P(D)
- S(d);::P(D)
- Refutation
- P(f);
- Try
- Actual
- B(G);
- Threat
- P(D)
- Vars
- Q(a);P_SPINB(b),XS(F)::R(C)
- Q(a);N_GUARD,P_PINP(D),P_SPINB(b),XR(C)::S(F)
- B(b);P_SPINQ(a),XP(D)::S(F),XB(b)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
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).