MESON Chess Problem Database
Problem Display
PID: 58598 (5rq1/b2pQ1pp/4b3/4r1p1/3R1NBn/4k1pK/2pR1NP1/8 w - - 0 1)
Salardini, Erio
Het Belgisch Schaakbord (L'Echiquier Belge), 1955
#2
8 + 13
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Sxd5#
- 2.Qa3#
- 1...Rxf4
- 2.R4d3#
- 1...Ba2
- 2.Qxe5#
- 1...Bb3
- 2.Qxe5#
- 1...Bc4
- 2.Qxe5#
- 1...Bxg4+
- 2.Sxg4#
- 1...Bf7
- 2.Qxe5#
- 1...Sxg2
- 2.Sxg2#
- 1...c1S
- 2.Sd1#
- 1...c1B
- 2.Sd1#
- 1...gxf2
- 2.R2d3#
- 1...gxf4
- 2.R4d3#
- 1...d5
- 2.Qa3#
- 1...Rd5
- Tries
- 1.Sd5+?
- 1...Rxd5
- 2.Qa3#
- 1...Bxd5!
- 1...Rxd5
- 1.Sxe6?
- threat
- 2.Re2#
- 2.R4d3#
- 2.Qa3#
- 1...Rxe6
- 2.Qa3#
- 1...Rxf2
- 2.R2d3#
- 2.Qa3#
- 1...Bxd4
- 2.Re2#
- 1...gxf2
- 2.Re2#
- 2.R2d3#
- 2.Qa3#
- 1...dxe6
- 2.Qa3#
- 1...c1Q
- 2.Re2#
- 2.R4d3#
- 1...c1S
- 2.Sd1#
- 1...c1B
- 2.Sd1#
- 2.Re2#
- 2.R4d3#
- 1...c1R
- 2.Re2#
- 2.R4d3#
- 1...Ra5
- 2.Re2#
- 2.R4d3#
- 1...Rb5
- 2.Re2#
- 2.R4d3#
- 1...Rc5
- 2.Re2#
- 2.R4d3#
- 1...Rd5
- 2.Re2#
- 2.Qa3#
- 1...Rf3
- 2.R4d3#
- 2.Qa3#
- 1...Rb8
- 2.Re2#
- 2.R4d3#
- 1...Rc8
- 2.Re2#
- 2.R4d3#
- 1...Bc5
- 2.Re2#
- 2.R4d3#
- 1...Sf3
- 2.R4d3#
- 2.Qa3#
- 1...d6
- 2.Re2#
- 2.R4d3#
- 1...Qxe6!
- threat
- 1.Qb4?
- threat
- 2.Re2#
- 2.R4d3#
- 2.Qc3#
- 1...Bxg4+
- 2.Sxg4#
- 1...Bxd4
- 2.Qxd4#
- 1...Re4
- 2.Rxe4#
- 1...c1Q
- 2.Re2#
- 2.R4d3#
- 1...c1S
- 2.Sd1#
- 1...c1R
- 2.Re2#
- 2.R4d3#
- 1...Rc5
- 2.Re2#
- 2.R4d3#
- 2.Re4#
- 1...Rd5
- 2.Re2#
- 2.Re4#
- 2.Qa3#
- 2.Qc3#
- 2.Qb3#
- 1...Rc8
- 2.Re2#
- 2.R4d3#
- 1...Bf5
- 2.Re2#
- 1...Bc4!
- threat
- 1.Qxg5?
- threat
- 2.Sd5#
- 2.R4d3#
- 2.Qxe5#
- 1...Bxg4+
- 2.Sxg4#
- 1...Rxf4
- 2.R4d3#
- 2.Qxf4#
- 1...Bxd4
- 2.Sd5#
- 2.Re2#
- 1...gxf2
- 2.Sd5#
- 2.R2d3#
- 2.Qxe5#
- 1...c1S
- 2.Sd1#
- 2.Sd5#
- 2.Qxe5#
- 1...Re4
- 2.Sd5#
- 2.R4d3#
- 1...Ra5
- 2.Sd5#
- 2.R4d3#
- 1...Rb5
- 2.Sd5#
- 2.R4d3#
- 1...Rc5
- 2.Sd5#
- 2.R4d3#
- 1...Rd5
- 2.Sxd5#
- 1...Ref5
- 2.Sd5#
- 2.R4d3#
- 1...Rff5
- 2.Sd5#
- 2.R4d3#
- 1...Bc4
- 2.Sd5#
- 2.Qxe5#
- 1...Bd5
- 2.Sxd5#
- 2.R4d3#
- 1...Bf5
- 2.Sd5#
- 2.Sh5#
- 2.Se6#
- 2.Sg6#
- 1...Bb8
- 2.Sd5#
- 2.R4d3#
- 1...Sf3
- 2.Sd5#
- 2.R4d3#
- 1...Sf5
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sg6#
- 2.R4d3#
- 1...Sg6
- 2.Sd5#
- 2.R4d3#
- 1...d5
- 2.Sxd5#
- 2.R4d3#
- 2.Qxe5#
- 1...d6
- 2.Sd5#
- 2.R4d3#
- 1...Rxg5!
- threat
- 1.Qd6?
- threat
- 2.Re2#
- 2.Qxe5#
- 1...Bxg4+
- 2.Sxg4#
- 1...Rxf4
- 2.Re2#
- 2.R4d3#
- 1...Bxd4
- 2.Qxd4#
- 1...c1S
- 2.Sd1#
- 2.Qxe5#
- 1...Re4
- 2.Re2#
- 2.R4d3#
- 2.Rxe4#
- 1...Ra5
- 2.Re2#
- 2.R4d3#
- 2.Re4#
- 1...Rb5
- 2.Re2#
- 2.R4d3#
- 2.Re4#
- 1...Rc5
- 2.Re2#
- 2.R4d3#
- 2.Re4#
- 1...Rd5
- 2.Qa3#
- 1...Ref5
- 2.Re2#
- 2.R4d3#
- 2.Re4#
- 1...Rff5
- 2.Re2#
- 1...Bc4
- 2.Qxe5#
- 1...Bf5
- 2.Re2#
- 1...Bb8
- 2.Re2#
- 1...Sf3
- 2.Re2#
- 1...Sg6
- 2.Re2#
- 1...Bd5!
- threat
- 1.Sd5+?
- Keys
- 1.Sh5!
- threat
- 2.R4d3#
- 1...Bxg4+
- 2.Sxg4#
- 1...Rxf2
- 2.R2d3#
- 1...Bxd4
- 2.Re2#
- 1...gxf2
- 2.R2d3#
- 1...c1S
- 2.Sd1#
- 1...Rd5
- 2.Qa3#
- 1...Bc4
- 2.Qxe5#
- 1...Bf5
- 2.Qxg5#
- threat
- 1.Sh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- R(l);SBLOCK,XS(F)::R1(E)
- B(g);N_PINB(G),OGATE,P_SPINR(e)::QAR2(H),XR(e)
- B(g);CHECK,P_SPINR(e),XB(G)::S(B),XB(g)
- S(d);XP(C)::S(F),XS(d)
- P(a);N_GUARD::S(B)
- P(c);SBLOCK,XS(B)::R1(A)
- P(f);SBLOCK,XS(F)::R1(E)
- P(i);S_CUTB(g)::QAR(H)
- Tries
- Try
- S(F);CHECK
- Vars
- R(e);P_SPINB(g),XS(F)::QAR(H)
- Refutation
- B(g);N_PINB(G),P_SPINR(e),XS(F)
- Try
- S(F);N_SPINB(G),XB(g)
- Threat
- DUALS(3)
- Vars
- R(e);P_SPINR(e),XS(F)::QAR(H)
- B(h);XR(E)::R1(A)
- P(i);XS(F)::QAR(H)
- P(a);N_GUARD::S(B)
- Refutation
- Q(m);P_PINB(G),XS(F)
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- B(g);CHECK,XB(G)::S(B),XB(g)
- B(h);OGATE,XR(E)::QAB1(H),XB(h)
- R(e);N_GUARD::R1(E),XR(e)
- P(a);N_GUARD::S(B)
- B(g);::R1(A)
- Refutation
- B(g);N_PINB(G)
- Try
- Q(H);XP(f)
- Threat
- DUALS(3)
- Vars
- B(g);CHECK,XB(G)::S(B),XB(g)
- R(e);::QAB(H)+S(F),DCHECK,XR(e)
- Refutation
- R(e);XQ(H)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- B(g);CHECK,XB(G)::S(B),XB(g)
- B(h);OGATE,XR(E)::QAB1(H),XB(h)
- R(e);S_CUTB(g)::QAR(H)
- R(l);N_PINB(G)::R1(A)
- B(g);N_PINB(G)::QAR2(H),XR(e)
- B(g);::R1(A)
- B(h);::R1(A)
- S(d);::R1(A)
- Refutation
- B(g);N_PINB(G)
- Try
- Actual
- S(F);
- Threat
- R1(E)
- Vars
- B(g);CHECK,P_SPINR(e),XB(G)::S(B),XB(g)
- R(l);SBLOCK,XS(B)::R1(A)
- B(h);SBLOCK,XR(E)::R1(A)
- P(c);SBLOCK,XS(B)::R1(A)
- P(a);N_GUARD::S(B)
- R(e);P_SPINB(g)::QAR(H)
- B(g);N_PINB(G),OGATE,P_SPINR(e)::QAR2(H),XR(e)
- B(g);P_SPINR(e),S_CUTR(l)::QAB(H),XP(f)
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).