MESON Chess Problem Database
Problem Display
PID: 245885 (1n4N1/pb6/4pRKn/NQ1pk3/2P5/4BB2/q1p5/3rR3 w - - 0 1)
Fleck, Ferenc
Europa-Rochade, 1992
#2
9 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kd6
- 2.Bf4#
- 1...Qxc4
- 2.Sxc4#
- 1...Rd4
- 2.Bf4#
- 1...Ba6
- 2.Qxb8#
- 1...Bc6
- 2.Qxb8#
- 1...Ba8
- 2.Qxb8#
- 1...Bc8
- 2.Qxb8#
- 1...Kd6
- Tries
- 1.Bg1+?
- 1...Kd6
- 2.Bh2#
- 1...Rxe1!
- 1...Kd6
- 1.Bf2+?
- 1...Kd6
- 2.Bg3#
- 1...Rxe1!
- 1...Kd6
- 1.Bd4+?
- 1...Kd6
- 2.Be5#
- 1...Kxd4!
- 1...Kd6
- 1.Bb6+?
- 1...Kd6
- 2.Sxb7#
- 2.Rexe6#
- 2.Rfxe6#
- 2.c5#
- 1...Rxe1!
- 1...Kd6
- 1.Bxa7+?
- 1...Kd6
- 2.Bxb8#
- 1...Rxe1!
- 1...Kd6
- 1.Bxd5?
- threat
- 2.Rxe6#
- 1...Kd6
- 2.Bf4#
- 1...Rxd5
- 2.Bc5#
- 1...exd5
- 2.Qe8#
- 1...Bc8
- 2.Qxb8#
- 1...Bxd5!
- threat
- 1.Qd7?
- threat
- 2.Rxe6#
- 2.Qxe6#
- 2.Qc7#
- 1...Qxc4
- 2.Rxe6#
- 2.Qxe6#
- 1...Qxa5
- 2.Rxe6#
- 2.Qxe6#
- 1...dxc4
- 2.Bd4#
- 2.Bf4#
- 2.Rxe6#
- 2.Qxe6#
- 1...Qa3
- 2.Rxe6#
- 2.Qxe6#
- 1...Bc8
- 2.Rxe6#
- 2.Qc7#
- 1...Sf5
- 2.Rxe6#
- 2.Qxe6#
- 1...Sf7
- 2.Rxe6#
- 2.Qxe6#
- 1...Sa6
- 2.Rxe6#
- 2.Qxe6#
- 1...Sxd7!
- threat
- 1.Qc5?
- threat
- 2.Bd4#
- 2.Bf4#
- 2.Qc7#
- 1...Qxc4
- 2.Sxc4#
- 2.Bd4#
- 2.Bf4#
- 1...Qxa5
- 2.Bd4#
- 2.Bf4#
- 1...Qa3
- 2.Bd4#
- 2.Bf4#
- 1...Rd4
- 2.Bxd4#
- 2.Bf4#
- 2.Qc7#
- 1...Bc6
- 2.Bd4#
- 2.Bf4#
- 1...Sf7
- 2.Bd4#
- 2.Bf4#
- 1...Sa6
- 2.Bd4#
- 2.Bf4#
- 1...Sc6
- 2.Bd4#
- 2.Bf4#
- 1...Sf5!
- threat
- 1.Qb6?
- threat
- 2.Bd4#
- 2.Bf4#
- 2.Rxe6#
- 2.Qc7#
- 2.Qxe6#
- 1...Qxc4
- 2.Bd4#
- 2.Bf4#
- 2.Rxe6#
- 2.Qxe6#
- 1...Qxa5
- 2.Bd4#
- 2.Bf4#
- 2.Rxe6#
- 2.Qxe6#
- 1...dxc4
- 2.Bd4#
- 2.Bf4#
- 2.Rxe6#
- 2.Qxe6#
- 1...Bc6
- 2.Bf4#
- 2.Qc7#
- 2.Qxb8#
- 1...Sc6
- 2.Bf4#
- 2.Qc7#
- 1...Sf5
- 2.Rxe6#
- 2.Qxe6#
- 1...Qa3
- 2.Bd4#
- 2.Bf4#
- 2.Rxe6#
- 2.Qxe6#
- 1...Rd4
- 2.Bxd4#
- 2.Bf4#
- 2.Rxe6#
- 2.Qc7#
- 2.Qxe6#
- 1...Bc8
- 2.Bd4#
- 2.Bf4#
- 2.Qc7#
- 2.Qxb8#
- 1...Sf7
- 2.Bd4#
- 2.Bf4#
- 2.Rxe6#
- 2.Qxe6#
- 1...Sa6
- 2.Bd4#
- 2.Bf4#
- 2.Rxe6#
- 2.Qxe6#
- 1...d4
- 2.Bxd4#
- 2.Bf4#
- 2.Rxe6#
- 2.Qc7#
- 2.Qxe6#
- 1...axb6!
- threat
- 1.Bg1+?
- Keys
- 1.cxd5!
- threat
- 2.Rxe6#
- 1...Kd6
- 2.Bf4#
- 1...Qxd5
- 2.Sc4#
- 1...Rxd5
- 2.Bc5#
- 1...Bxd5
- 2.Qxb8#
- 1...exd5
- 2.Qe8#
- 1...Bc8
- 2.Qxb8#
- threat
- 1.cxd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- K(e);N_SPINP(d),P_SPINP(f),S_FLIGHT::B(B)
- Q(b);XP(D)::S(E),XQ(b)
- R(a);SBLOCK::R(A)+B(B),DCHECK
- B(i);OGATE::QAB(F),XS(j)
- Tries
- Try
- B(B);CHECK
- Vars
- K(e);N_SPINP(d),P_SPINP(f),S_FLIGHT::B(B)
- Refutation
- R(a);XR(A)
- Try
- B(B);CHECK
- Vars
- K(e);N_SPINP(d),P_SPINP(f),S_FLIGHT::B(B)
- Refutation
- R(a);XR(A)
- Try
- B(B);CHECK
- Vars
- K(e);N_SPINP(d),P_SPINP(f),S_FLIGHT::B(B)
- Refutation
- K(e);N_SPINP(d),S_FLIGHT,XB(B)
- Try
- B(B);CHECK
- Refutation
- R(a);XR(A)
- Try
- B(B);CHECK,XP(h)
- Vars
- K(e);N_SPINP(d),P_SPINP(f),S_FLIGHT::B(B),XS(j)
- Refutation
- R(a);XR(A)
- Try
- B(C);XP(d)
- Threat
- R1(G),XP(f)
- Vars
- K(e);P_SPINP(f),S_FLIGHT::B(B)
- R(a);N_GUARD,P_SPINR(a),XB(C)::R(A)+B(B)
- P(f);OGATEB,P_SPINP(f),XB(C)::QAR(F)
- B(i);OGATE::QAB(F),XS(j)
- Refutation
- B(i);P_SPINB(i),XB(C)
- Try
- Q(F);N_PINP(d)
- Threat
- DUALS(3)
- Refutation
- S(j);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(3)
- Refutation
- S(g);
- Try
- Q(F);N_PINP(d)
- Threat
- DUALS(5)
- Refutation
- P(h);XQ(F)
- Try
- Actual
- P(D);XP(d)
- Threat
- R1(G),XP(f)
- Vars
- K(e);P_SPINP(f),S_FLIGHT::B(B)
- Q(b);N_GUARD,P_SPINQ(b),XP(D)::S(E)
- R(a);N_GUARD,P_SPINR(a),XP(D)::R(A)+B(B)
- B(i);OGATE,P_SPINB(i),XP(D)::QAB(F),XS(j)
- P(f);OGATEB,P_SPINP(f),XP(D)::QAR(F)
- B(i);OGATE::QAB(F),XS(j)
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).