MESON Chess Problem Database
Problem Display
PID: 66951 (8/1p6/1P4Q1/p2pk3/Rn6/1P1p1B2/3P1Bp1/6Kb w - - 0 1)
Schneider, Michael
2nd Comm., Die Schwalbe, 1942
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Qf6#
- 1...Sa2
- 2.Bg3#
- 1...Sc2
- 2.Bg3#
- 1...Sa6
- 2.Bg3#
- 1...Sc6
- 2.Bg3#
- 1...d4
- 2.Bg3#
- 1...Kf4
- Tries
- 1.Be1?
- 1...Kf4
- 2.Qf6#
- 1...Sa2
- 2.Bg3#
- 1...Sc2
- 2.Bg3#
- 1...Sa6
- 2.Bg3#
- 1...Sc6
- 2.Bg3#
- 1...d4
- 2.Bg3#
- 1...Kd4!
- 1...Kf4
- 1.Be3?
- 1...Sa2
- 2.Bf4#
- 1...Sc2
- 2.Bf4#
- 1...Sa6
- 2.Bf4#
- 1...Sc6
- 2.Bf4#
- 1...d4!
- 1...Sa2
- 1.Bd4+?
- 1...Kf4
- 2.Qg4#
- 1...Kxd4!
- 1...Kf4
- 1.Bh4?
- threat
- 2.Qf6#
- 1...Kf4
- 2.Qf6#
- 1...Kd4!
- threat
- 1.Bc5?
- 1...Sa2
- 2.Bd6#
- 1...Sc2
- 2.Bd6#
- 1...Sa6
- 2.Bd6#
- 1...Sc6
- 2.Bd6#
- 1...d4
- 2.Bd6#
- 1...Kf4!
- 1...Sa2
- 1.Bd1?
- 1...Kf4
- 2.Bg3#
- 1...Sa2
- 2.Bg3#
- 1...Sc2
- 2.Bg3#
- 1...Sa6
- 2.Bg3#
- 1...Sc6
- 2.Bg3#
- 1...d4!
- 1...Kf4
- 1.Bxg2?
- 1...Kf4
- 2.Bg3#
- 1...Sa2
- 2.Bg3#
- 1...Sc2
- 2.Bg3#
- 1...Sa6
- 2.Bg3#
- 1...Sc6
- 2.Bg3#
- 1...d4
- 2.Bg3#
- 1...Bxg2!
- 1...Kf4
- 1.Be4?
- 1...Kf4
- 2.Bg3#
- 2.Qf5#
- 1...Sa2
- 2.Bg3#
- 1...Sc2
- 2.Bg3#
- 1...Sa6
- 2.Bg3#
- 1...Sc6
- 2.Bg3#
- 1...d4
- 2.Bg3#
- 1...dxe4!
- 1...Kf4
- 1.Bg4?
- 1...Kf4
- 2.Qf5#
- 1...Sa2
- 2.Bg3#
- 2.Qe6#
- 1...Sc2
- 2.Bg3#
- 2.Qe6#
- 1...Sa6
- 2.Bg3#
- 2.Qe6#
- 1...Sc6
- 2.Bg3#
- 2.Qe6#
- 1...d4!
- 1...Kf4
- 1.Bh5?
- 1...Kf4
- 2.Bg3#
- 1...Sa2
- 2.Bg3#
- 1...Sc2
- 2.Bg3#
- 1...Sa6
- 2.Bg3#
- 1...Sc6
- 2.Bg3#
- 1...d4!
- 1...Kf4
- 1.Qf7?
- 1...Sc2
- 2.Bg3#
- 1...Sa2
- 2.Bg3#
- 1...Sa6
- 2.Bg3#
- 1...Sc6
- 2.Bg3#
- 1...d4
- 2.Bg3#
- 1...Kd6!
- 1...Sc2
- 1.Qe6+?
- 1...Kf4
- 2.Qf6#
- 1...Kxe6!
- 1...Kf4
- 1.Be1?
- Keys
- 1.Bxd5!
- 1...Kf4
- 2.Bg3#
- 1...Kxd5
- 2.Rxa5#
- 1...Sxd5
- 2.Re4#
- 1...Sa2
- 2.Qe6#
- 1...Sc2
- 2.Qe6#
- 1...Sa6
- 2.Qe6#
- 1...Sc6
- 2.Qe6#
- 1...Kf4
- 1.Bxd5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- K(g);P_SPINS(d),S_FLIGHT::QAR2(H)
- S(d);::B(C)
- P(f);SBLOCK::B(C)
- Tries
- Try
- B(C);
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAR2(H)
- S(d);::B(C)
- P(f);SBLOCK::B(C)
- Refutation
- K(g);P_SPINS(d),S_FLIGHT
- Try
- B(C);
- Vars
- S(d);::B(C)
- Refutation
- P(f);
- Try
- B(C);CHECK
- Vars
- K(g);S_FLIGHT::QAR1(H)
- Refutation
- K(g);P_SPINS(d),S_FLIGHT,XB(C)
- Try
- B(C);
- Threat
- QAB1(H)
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAR2(H)
- Refutation
- K(g);P_SPINS(d),S_FLIGHT
- Try
- B(C);
- Vars
- S(d);::B(C)
- P(f);SBLOCK::B(C)
- Refutation
- K(g);P_SPINS(d),S_FLIGHT
- Try
- B(E);
- Vars
- K(g);P_SPINS(d),S_FLIGHT::B(C)
- S(d);::B(C)
- Refutation
- P(f);
- Try
- B(E);XP(b)
- Vars
- K(g);P_SPINS(d),S_FLIGHT::B(C)
- S(d);::B(C)
- P(f);SBLOCK::B(C)
- Refutation
- B(a);XB(E)
- Try
- B(E);
- Vars
- S(d);::B(C)
- P(f);SBLOCK::B(C)
- Refutation
- P(f);XB(E)
- Try
- B(E);
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAR1(H)
- Refutation
- P(f);
- Try
- B(E);
- Vars
- K(g);P_SPINS(d),S_FLIGHT::B(C)
- S(d);::B(C)
- Refutation
- P(f);
- Try
- Q(H);
- Vars
- S(d);::B(C)
- P(f);SBLOCK::B(C)
- Refutation
- K(g);S_FLIGHT
- Try
- Q(H);CHECK
- Vars
- K(g);P_SPINS(d),S_FLIGHT::QAR2(H)
- Refutation
- K(g);P-FLIGHT,XQ(H)
- Try
- Actual
- B(E);XP(f)
- Vars
- K(g);P_SPINS(d),S_FLIGHT::B(C)
- K(g);OGATEB,P-FLIGHT,XB(E)::R(F),XP(e)
- S(d);OGATE,SBLOCK,XB(E)::R1(F)
- S(d);::QAR1(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).