MESON Chess Problem Database
Problem Display
PID: 250532 (8/2p2p2/2B1p3/2Ppk1B1/4P2p/4Q2P/1p6/bK6 w - - 0 1)
Fomichev, Evgeny Vasilevich
Schweizerische Schachzeitung, 1997
#2
7 + 8
SOLUTION
- SOUND
- Sets
- 1...dxe4
- 2.Qxe4#
- 1...d4
- 2.Qf4#
- 1...f5
- 2.exd5#
- 1...f6
- 2.Bf4#
- 1...dxe4
- Tries
- 1.Bh6?
- 1...Kf6
- 2.Qg5#
- 1...d4
- 2.Qf4#
- 1...f5
- 2.Bg7#
- 1...f6
- 2.Bf4#
- 1...dxe4!
- 1...Kf6
- 1.Bd8?
- 1...dxe4
- 2.Qxe4#
- 1...f5
- 2.exd5#
- 1...f6
- 2.Bxc7#
- 1...d4!
- 1...dxe4
- 1.Bb7?
- 1...dxe4
- 2.Qxe4#
- 1...d4
- 2.Qf4#
- 1...f5
- 2.exd5#
- 1...f6
- 2.Bf4#
- 1...c6!
- 1...dxe4
- 1.Ba8?
- 1...dxe4
- 2.Qxe4#
- 1...d4
- 2.Qf4#
- 1...f5
- 2.exd5#
- 1...f6
- 2.Bf4#
- 1...c6!
- 1...dxe4
- 1.Bh6?
- Keys
- 1.Bxh4!
- 1...dxe4
- 2.Qxe4#
- 1...d4
- 2.Qg3#
- 1...f5
- 2.exd5#
- 1...f6
- 2.Bg3#
- 1...dxe4
- 1.Bxh4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- P(d);OGATE,P_SPINP(d),XP(D)::QAR1(B),XP(d)
- P(d);SBLOCK::QAB1(B)
- P(h);SBLOCK::QAR(B)+P(D),XP(d)
- P(h);SBLOCK::B(F)
- Tries
- Try
- B(F);
- Vars
- K(e);N_GUARD,S_CUTP(h),S_FLIGHT::QAB1(B)
- P(d);SBLOCK::QAB1(B)
- P(h);N_GUARD::B(F)
- P(h);SBLOCK::B(F)
- Refutation
- P(d);P_SPINP(d),XP(D)
- Try
- B(F);
- Vars
- P(d);OGATE,P_SPINP(d),XP(D)::QAR1(B),XP(d)
- P(h);SBLOCK::QAR(B)+P(D),XP(d)
- P(h);SBLOCK::B(F),XP(g)
- Refutation
- P(d);
- Try
- B(G);
- Vars
- P(d);OGATE,P_SPINP(d),XP(D)::QAR1(B),XP(d)
- P(d);SBLOCK::QAB1(B)
- P(h);SBLOCK::QAR(B)+P(D),XP(d)
- P(h);SBLOCK::B(F)
- Refutation
- P(g);
- Try
- B(G);
- Vars
- P(d);OGATE,P_SPINP(d),XP(D)::QAR1(B),XP(d)
- P(d);SBLOCK::QAB1(B)
- P(h);SBLOCK::QAR(B)+P(D),XP(d)
- P(h);SBLOCK::B(F)
- Refutation
- P(g);
- Try
- Actual
- B(F);XP(c)
- Vars
- P(d);OGATE,P_SPINP(d),XP(D)::QAR1(B),XP(d)
- P(d);SBLOCK::QAB(B)
- P(h);SBLOCK::QAR(B)+P(D),XP(d)
- P(h);SBLOCK::B(F)
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).