MESON Chess Problem Database
Problem Display
PID: 6425 (1n1RR1n1/K1QqbB2/1pb2p2/8/1P1k1B2/2N5/4P3/1N6 w - - 0 1)
Fleck, Ferenc
1st HM., Magyar Sakkvilag, 1929
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Qd6
- 2.Qxb6#
- 1...Be4
- 2.Sb5#
- 1...Bb7
- 2.Qc4#
- 1...Bxb4
- 2.Be3#
- 1...Bc5
- 2.Be3#
- 1...Bd6
- 2.Be3#
- 1...Bxd8
- 2.Be3#
- 1...Bf8
- 2.Be3#
- 1...Qd6
- Tries
- 1.Bg3?
- threat
- 2.Bf2#
- 1...Qd5
- 2.Qf4#
- 1...Qd6
- 2.Qxb6#
- 1...Ke3!
- threat
- 1.Rxd7+?
- 1...Bd5
- 2.Rxd5#
- 1...Bxd7
- 2.Qc4#
- 1...Bd6
- 2.Be3#
- 2.Qxb6#
- 1...Sxd7!
- 1...Bd5
- 1.Rxe7?
- threat
- 2.Be3#
- 1...Qd5
- 2.Re4#
- 1...Be4
- 2.Sb5#
- 2.Rxe4#
- 1...Sxe7!
- threat
- 1.Bg3?
- Keys
- 1.Bh2!
- threat
- 2.Bg1#
- 1...Ke3
- 2.Bg1#
- 1...Qd5
- 2.Qf4#
- 1...Qd6
- 2.Qxb6#
- threat
- 1.Bh2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- Q(e);N_PINQ(G)::QAB(G),XP(b)
- B(c);N_GUARD,SBLOCK::S(C)
- B(c);N_PINQ(G)::QAR1(G)
- B(f);XP(D)::B(E)
- B(f);::B(E)
- B(f);N_SPINQ(e)::B(E)
- B(f);N_SPINQ(e),XR(I)::B(E)
- Tries
- Try
- B(E);
- Threat
- B(E)
- Vars
- Q(e);N_PINQ(G)::QAR2(G)
- Q(e);N_PINQ(G)::QAB(G),XP(b)
- Refutation
- K(a);N_SPINQ(e),P_SPINB(f),S_FLIGHT
- Try
- R(I);CHECK,N_SPINQ(G),XQ(e)
- Vars
- B(c);N_GUARD,P_SPINB(c)::R1(I),XB(c)
- B(c);OGATE,XR(I)::QAR1(G)
- Refutation
- S(g);XR(I)
- Try
- R(J);XB(f)
- Threat
- B(E)
- Vars
- Q(e);N_PINQ(G),S_CUTB(c)::R1(J)
- Refutation
- S(h);XR(J)
- Try
- Actual
- B(E);
- Threat
- B(E)
- Vars
- K(a);N_SPINQ(e),P_SPINB(f),S_FLIGHT::B(E)
- Q(e);N_PINQ(G)::QAR2(G)
- Q(e);N_PINQ(G)::QAB(G),XP(b)
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).