MESON Chess Problem Database
Problem Display
PID: 139063 (4K3/2p1P2B/P1Rp4/2nkN3/2Rp2N1/3p2P1/P2P1PP1/1Q6 w - - 0 1)
Ferenc, B
Source?, 1929
#2
14 + 6
| 56 | The Problemist | 1937 |
SOLUTION
- SOUND
- Sets
- 1...Se4
- 2.Bg8#
- 1...dxe5
- 2.R4xc5#
- 1...Se4
- Tries
- 1.Sxd3?
- 1...Kxc4
- 2.Qb3#
- 1...Kxc6
- 2.Qb7#
- 1...Ke6
- 2.Sf4#
- 1...Sxa6
- 2.Sf4#
- 1...Sb3
- 2.Sf4#
- 1...Sa4
- 2.Sf4#
- 1...Se4
- 2.Sf4#
- 2.Bg8#
- 1...Se6
- 2.Sb4#
- 2.Sf6#
- 1...Sb7
- 2.Sf4#
- 1...Sd7
- 2.Sf4#
- 1...Sxd3!
- 1...Kxc4
- 1.Rc1?
- 1...Sxa6
- 2.Qb3#
- 1...dxe5
- 2.R1xc5#
- 1...Sb3
- 2.Qxb3#
- 1...Sa4
- 2.Qb3#
- 1...Se4
- 2.Bg8#
- 2.Qb3#
- 1...Se6
- 2.Qb3#
- 1...Sb7
- 2.Qb3#
- 1...Sd7
- 2.Qb3#
- 1...Ke6!
- 1...Sxa6
- 1.R4xc5+?
- 1...Ke6
- 2.Qb3#
- 1...dxc5!
- 1...Ke6
- 1.Qxd3?
- 1...Ke6
- 2.Bg8#
- 1...Sxa6
- 2.Bg8#
- 1...dxe5
- 2.R4xc5#
- 1...Sb3
- 2.Bg8#
- 1...Sa4
- 2.Bg8#
- 1...Se4
- 2.Bg8#
- 1...Se6
- 2.Be4#
- 2.Qe4#
- 2.Qf3#
- 1...Sb7
- 2.Bg8#
- 1...Sd7
- 2.Bg8#
- 1...Sxd3!
- 1...Ke6
- 1.Qe1?
- 1...Sxa6
- 2.Bg8#
- 1...dxe5
- 2.R4xc5#
- 1...Sb3
- 2.Bg8#
- 1...Sa4
- 2.Bg8#
- 1...Se4
- 2.Bg8#
- 1...Se6
- 2.Sf6#
- 2.Be4#
- 2.Qe4#
- 1...Sb7
- 2.Bg8#
- 1...Sd7
- 2.Bg8#
- 1...Ke6!
- 1...Sxa6
- 1.Qb3?
- threat
- 2.R4xc5#
- 1...Ke6
- 2.R4xc5#
- 1...Sxa6
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Ra4#
- 2.Rb4#
- 2.R4c5#
- 1...Sa4
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Rxa4#
- 2.Rb4#
- 2.R4c5#
- 1...Se4
- 2.Bg8#
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Ra4#
- 2.Rb4#
- 2.R4c5#
- 1...Se6
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Ra4#
- 2.Rb4#
- 2.R4c5#
- 1...Sb7
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Ra4#
- 2.Rb4#
- 2.R4c5#
- 1...Sd7
- 2.Rc1#
- 2.Rc2#
- 2.Rc3#
- 2.Ra4#
- 2.Rb4#
- 2.R4c5#
- 1...Sxb3!
- threat
- 1.Qb5?
- 1...dxe5
- 2.Sf6#
- 2.R4xc5#
- 2.Qxc5#
- 1...Ke6!
- 1...dxe5
- 1.f3?
- 1...Sxa6
- 2.Bg8#
- 1...dxe5
- 2.R4xc5#
- 1...Sb3
- 2.Bg8#
- 1...Sa4
- 2.Bg8#
- 1...Se4
- 2.Bg8#
- 1...Se6
- 2.Be4#
- 1...Sb7
- 2.Bg8#
- 1...Sd7
- 2.Bg8#
- 1...Ke6!
- 1...Sxa6
- 1.Sxd3?
- Keys
- 1.Sg6!
- 1...Kxc4
- 2.Qb3#
- 1...Ke4
- 2.Sf4#
- 1...Kxc6
- 2.Qb7#
- 1...Ke6
- 2.Sf4#
- 1...Sxa6
- 2.Sf4#
- 1...Sb3
- 2.Sf4#
- 1...Sa4
- 2.Sf4#
- 1...Se4
- 2.Sf4#
- 2.Bg8#
- 1...Se6
- 2.Sf6#
- 1...Sb7
- 2.Sf4#
- 1...Sd7
- 2.Sf4#
- 1...Kxc4
- 1.Sg6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 10
- REMOVED MATES = 2
- Sets
- S(c);N_GUARD,SBLOCK::B(M)
- P(e);N_GUARD,XS(I)::R1(G),XS(c)
- Tries
- Try
- S(I);XP(a)
- Vars
- K(d);OGATEB,P_SPINS(c),S_FLIGHT,XR(G)::QAB1(A)
- K(d);OGATEB,P_SPINS(c),S_FLIGHT,XR(K)::QAB1(A)
- K(d);P_SPINP(e),S_FLIGHT::S(I)
- S(c);XP(J)::S(I)
- S(c);::S(I)
- Refutation
- S(c);XS(I)
- Try
- R(G);
- Vars
- S(c);N_GUARD,XP(J)::QAB(A)
- P(e);N_GUARD,XS(I)::R1(G),XS(c)
- S(c);N_GUARD::QAB(A),XS(c)
- S(c);N_GUARD::QAB(A)
- S(c);N_GUARD,SBLOCK::QAB(A)
- Refutation
- K(d);P_SPINP(e),S_FLIGHT
- Try
- R(G);CHECK,XS(c)
- Vars
- K(d);P_SPINP(e),S_FLIGHT::QAB(A)
- Refutation
- P(e);XR(G)
- Try
- Q(A);P_PINP(b),XP(a)
- Vars
- K(d);N_SPINP(b),P_SPINP(e),S_FLIGHT::B(M)
- S(c);N_GUARD,XP(J)::B(M)
- P(e);N_GUARD,XS(I)::R1(G),XS(c)
- S(c);N_GUARD::B(M)
- Refutation
- S(c);N_SPINP(b),XQ(A)
- Try
- Q(A);
- Vars
- S(c);N_GUARD,XP(J)::B(M)
- P(e);N_GUARD,XS(I)::R1(G),XS(c)
- S(c);N_GUARD::B(M)
- Refutation
- K(d);P_SPINP(e),S_FLIGHT
- Try
- Q(A);
- Threat
- QAB(A)+R(G),DCHECK,XS(c)
- Vars
- K(d);P_SPINP(e),S_FLIGHT::QAB(A)+R(G),XS(c)
- Refutation
- S(c);XQ(A)
- Try
- Q(A);P_PINS(c)
- Refutation
- K(d);N_SPINS(c),P_SPINP(e),S_FLIGHT
- Try
- P(D);
- Vars
- S(c);N_GUARD,XP(J)::B(M)
- P(e);N_GUARD,XS(I)::R1(G),XS(c)
- S(c);N_GUARD::B(M)
- S(c);N_GUARD,SBLOCK::B(M)
- Refutation
- K(d);P_SPINP(e),S_FLIGHT
- Try
- Actual
- S(I);
- Vars
- K(d);OGATEB,P_SPINS(c),S_FLIGHT,XR(G)::QAB1(A)
- K(d);P_SPINP(a),S_FLIGHT::B(M)+S(I)
- K(d);OGATEB,P_SPINS(c),S_FLIGHT,XR(K)::QAB1(A)
- K(d);P_SPINP(e),S_FLIGHT::S(I)
- S(c);XP(J)::S(I)
- S(c);::S(I)
- S(c);SBLOCK::S(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).