MESON Chess Problem Database
Problem Display
PID: 57529 (4R2Q/4p3/1P3NP1/1B1pkPK1/p3rNP1/q3p3/b6B/3R3n w - - 0 1)
Barthelemy, Edmond
1st Prize, Cercle de Lutice, 1932
#2
12 + 9
| 785 | Het Belgisch Schaakbord (L'Echiquier Belge) | 1953 |
SOLUTION
- SOUND
- Sets
- 1...Kd6
- 2.Sxe4#
- 1...Qd6
- 2.Sd7#
- 1...Rc4
- 2.Rxd5#
- 1...Rd4
- 2.Sd3#
- 1...Rxf4
- 2.Bxf4#
- 1...Bb1
- 2.Rxd5#
- 1...d4
- 2.Sd3#
- 1...e6
- 2.Rxe6#
- 1...Kd6
- Tries
- 1.Se2+?
- 1...Rf4
- 2.Bxf4#
- 1...Sg3!
- 1...Rf4
- 1.Sg2+?
- 1...Rf4
- 2.Bxf4#
- 1...Sg3!
- 1...Rf4
- 1.Sh3+?
- 1...Rf4
- 2.Bxf4#
- 1...Sg3!
- 1...Rf4
- 1.S4xd5+?
- 1...Rf4
- 2.Bxf4#
- 1...Sg3!
- 1...Rf4
- 1.S4h5+?
- 1...Rf4
- 2.Bxf4#
- 1...Sg3!
- 1...Rf4
- 1.Se6+?
- 1...Rf4
- 2.Bxf4#
- 1...Sg3!
- 1...Rf4
- 1.Rd4?
- threat
- 2.Sxe4#
- 1...Kd6
- 2.Sxe4#
- 1...Rxd4
- 2.Sd3#
- 1...Rxf4
- 2.Se4#
- 1...Qd6
- 2.Sd7#
- 1...Kxd4!
- threat
- 1.Rb8?
- threat
- 2.Se8#
- 1...exf6+
- 2.Qxf6#
- 1...Kd6
- 2.Sxe4#
- 1...Rxf4
- 2.Bxf4#
- 1...Qd6
- 2.Sd7#
- 1...Rc4
- 2.Rxd5#
- 1...Rd4
- 2.Sd3#
- 1...Rb4!
- threat
- 1.Rc8?
- threat
- 2.Se8#
- 1...exf6+
- 2.Qxf6#
- 1...Kd6
- 2.Sxe4#
- 2.Se8#
- 1...Rxf4
- 2.Bxf4#
- 1...Qd6
- 2.Sd7#
- 1...Rc4
- 2.Rxd5#
- 1...Rd4
- 2.Sd3#
- 1...Rb4!
- threat
- 1.Rd8?
- threat
- 2.S6xd5#
- 2.S6h5#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 1...exf6+
- 2.Qxf6#
- 1...Rxf4
- 2.Bxf4#
- 1...Qd6
- 2.Sd7#
- 1...Rc4
- 2.R1xd5#
- 2.R8xd5#
- 1...Rd4
- 2.Sd3#
- 1...d4
- 2.Sd3#
- 2.S6d5#
- 2.S6h5#
- 2.Sh7#
- 2.Se8#
- 2.Sg8#
- 1...Rb4!
- threat
- 1.Rf8?
- threat
- 2.Se8#
- 1...exf6+
- 2.Qxf6#
- 1...Kd6
- 2.Sxe4#
- 1...Rxf4
- 2.Bxf4#
- 1...Qd6
- 2.Sd7#
- 1...Rc4
- 2.Rxd5#
- 1...Rd4
- 2.Sd3#
- 1...Rb4!
- threat
- 1.Rg8?
- threat
- 2.Se8#
- 1...exf6+
- 2.Qxf6#
- 1...Kd6
- 2.Sxe4#
- 1...Rxf4
- 2.Bxf4#
- 1...Qd6
- 2.Sd7#
- 1...Rc4
- 2.Rxd5#
- 1...Rd4
- 2.Sd3#
- 1...Rb4!
- threat
- 1.Se2+?
- Keys
- 1.Ra8!
- threat
- 2.Se8#
- 1...exf6+
- 2.Qxf6#
- 1...Kd6
- 2.Sxe4#
- 1...Rxf4
- 2.Bxf4#
- 1...Qd6
- 2.Sd7#
- 1...Rb4
- 2.Qb8#
- 1...Rc4
- 2.Rxd5#
- 1...Rd4
- 2.Sd3#
- threat
- 1.Ra8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- K(h);N_SPINP(i),P_SPINP(g),S_FLIGHT::S(I),XR(f)
- Q(c);SBLOCK::QAB(L)+S(I),DCHECK
- R(f);S_CUTB(b)::R1(A),XP(g)
- R(f);SBLOCK::B(B)+S(C),DCHECK
- R(f);OGATE,P_SPINR(f),XS(C)::B(B),XR(f)
- B(b);N_GUARD::R1(A),XP(g)
- P(g);SBLOCK::B(B)+S(C),DCHECK
- P(i);OGATE::R1(K),XP(i)
- Tries
- Try
- S(C);CHECK
- Vars
- R(f);N_GUARD,P_SPINR(f)::B(B),XR(f)
- Refutation
- S(a);P_SPINS(a)
- Try
- S(C);CHECK
- Vars
- R(f);N_GUARD,P_SPINR(f)::B(B),XR(f)
- Refutation
- S(a);P_SPINS(a)
- Try
- S(C);CHECK
- Vars
- R(f);N_GUARD,P_SPINR(f)::B(B),XR(f)
- Refutation
- S(a);P_SPINS(a)
- Try
- S(C);CHECK,XP(g)
- Vars
- R(f);N_GUARD,P_SPINR(f)::B(B),XR(f)
- Refutation
- S(a);P_SPINS(a)
- Try
- S(C);CHECK
- Vars
- R(f);N_GUARD,P_SPINR(f)::B(B),XR(f)
- Refutation
- S(a);P_SPINS(a)
- Try
- S(C);CHECK,N_PINP(i)
- Vars
- R(f);N_GUARD,P_SPINR(f)::B(B),XR(f)
- Refutation
- S(a);P_SPINS(a)
- Try
- R(A);
- Threat
- QAB(L)+S(I),XR(f)
- Vars
- K(h);N_SPINP(i),P_SPINP(g),S_FLIGHT::S(I),XR(f)
- R(f);SBLOCK,XR(A)::B(B)+S(C),DCHECK
- R(f);P_SPINR(f),XS(C)::QAB(L)+S(I)
- Q(c);SBLOCK::QAB(L)+S(I),DCHECK
- Refutation
- K(h);N_SPINP(i),S_FLIGHT,XR(A)
- Try
- R(K);N_PINP(i)
- Threat
- QAB(L)+S(I)
- Vars
- P(i);CHECK,OGATE,P_SPINP(i),XS(I)::QAB1(L),XP(i)
- K(h);P_SPINP(g),S_FLIGHT::S(I),XR(f)
- R(f);OGATE,P_SPINR(f),XS(C)::B(B),XR(f)
- Q(c);SBLOCK::QAB(L)+S(I),DCHECK
- R(f);S_CUTB(b)::R1(A),XP(g)
- R(f);SBLOCK::B(B)+S(C),DCHECK
- Refutation
- R(f);
- Try
- R(K);N_PINP(i)
- Threat
- QAB(L)+S(I)
- Vars
- P(i);CHECK,OGATE,P_SPINP(i),XS(I)::QAB1(L),XP(i)
- R(f);OGATE,P_SPINR(f),XS(C)::B(B),XR(f)
- Q(c);SBLOCK::QAB(L)+S(I),DCHECK
- R(f);S_CUTB(b)::R1(A),XP(g)
- R(f);SBLOCK::B(B)+S(C),DCHECK
- Refutation
- R(f);
- Try
- R(K);N_PINP(i)
- Threat
- DUALS(5)
- Vars
- P(i);CHECK,OGATE,P_SPINP(i),XS(I)::QAB1(L),XP(i)
- R(f);OGATE,P_SPINR(f),XS(C)::B(B),XR(f)
- Q(c);SBLOCK::QAB(L)+S(I),DCHECK
- R(f);SBLOCK::B(B)+S(C),DCHECK
- Refutation
- R(f);
- Try
- R(K);N_PINP(i)
- Threat
- QAB(L)+S(I)
- Vars
- P(i);CHECK,OGATE,P_SPINP(i),XS(I)::QAB1(L),XP(i)
- K(h);P_SPINP(g),S_FLIGHT::S(I),XR(f)
- R(f);OGATE,P_SPINR(f),XS(C)::B(B),XR(f)
- Q(c);SBLOCK::QAB(L)+S(I),DCHECK
- R(f);S_CUTB(b)::R1(A),XP(g)
- R(f);SBLOCK::B(B)+S(C),DCHECK
- Refutation
- R(f);
- Try
- R(K);N_PINP(i)
- Threat
- QAB(L)+S(I)
- Vars
- P(i);CHECK,OGATE,P_SPINP(i),XS(I)::QAB1(L),XP(i)
- K(h);P_SPINP(g),S_FLIGHT::S(I),XR(f)
- R(f);OGATE,P_SPINR(f),XS(C)::B(B),XR(f)
- Q(c);SBLOCK::QAB(L)+S(I),DCHECK
- R(f);S_CUTB(b)::R1(A),XP(g)
- R(f);SBLOCK::B(B)+S(C),DCHECK
- Refutation
- R(f);
- Try
- Actual
- R(K);N_PINP(i)
- Threat
- QAB(L)+S(I)
- Vars
- P(i);CHECK,OGATE,P_SPINP(i),XS(I)::QAB1(L),XP(i)
- K(h);P_SPINP(g),S_FLIGHT::S(I),XR(f)
- R(f);OGATE,P_SPINR(f),XS(C)::B(B),XR(f)
- Q(c);SBLOCK::QAB(L)+S(I),DCHECK
- R(f);S_CUTQ(c)::QAB(L)
- R(f);S_CUTB(b)::R1(A),XP(g)
- R(f);SBLOCK::B(B)+S(C),DCHECK
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).