MESON Chess Problem Database
Problem Display
PID: 92159 (8/4n3/2bprb2/2pkNp2/r1R4R/BP4Q1/2BPNPK1/1n6 w - - 0 1)
Wielgos, Oskar
5th HM., Deutsche Schachzeitung, 1987
#2
11 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxc4
- 2.bxc4#
- 1...Rxe5
- 2.Sf4#
- 1...Bxe5
- 2.Qf3#
- 1...Sxd2
- 2.Sc3#
- 1...Sxa3
- 2.Sc3#
- 1...Sc3
- 2.Sxc3#
- 1...dxe5
- 2.Qd3#
- 1...Rxc4
- Tries
- 1.Bxb1?
- threat
- 2.Sc3#
- 1...Rxc4
- 2.bxc4#
- 1...Rxe5
- 2.Sf4#
- 1...Bxe5
- 2.Qf3#
- 1...dxe5
- 2.Qd3#
- 1...f4!
- threat
- 1.Bxf5?
- threat
- 2.Be4#
- 1...Rxc4
- 2.bxc4#
- 1...Rxe5
- 2.Sf4#
- 2.Qd3#
- 1...Sxd2
- 2.Sc3#
- 1...dxe5
- 2.Qd3#
- 1...Sc3
- 2.Sxc3#
- 1...Sxf5!
- threat
- 1.Rhe4?
- threat
- 2.Sf4#
- 2.Qd3#
- 1...Rxc4
- 2.Sf4#
- 2.bxc4#
- 1...Rxe5
- 2.Sf4#
- 1...fxe4
- 2.Bxe4#
- 1...dxe5
- 2.Qd3#
- 1...Bg5
- 2.Qd3#
- 1...Sg6
- 2.Qd3#
- 1...f4
- 2.Sxf4#
- 2.Qd3#
- 1...Bxe5!
- threat
- 1.d4?
- threat
- 2.Sf4#
- 2.Qf3#
- 1...Rxc4
- 2.Qf3#
- 2.bxc4#
- 1...Rxe5
- 2.Sf4#
- 1...Bxe5
- 2.Qf3#
- 1...cxd4
- 2.Rhxd4#
- 1...Bg5
- 2.Qf3#
- 1...Sd2
- 2.Sc3#
- 2.Sf4#
- 1...Sc3
- 2.Sxc3#
- 2.Sf4#
- 1...Sg6
- 2.Qf3#
- 1...f4
- 2.Sxf4#
- 2.Qf3#
- 1...dxe5!
- threat
- 1.f4?
- threat
- 2.Qd3#
- 2.Qf3#
- 1...Rxc4
- 2.bxc4#
- 1...Bxe5
- 2.Qf3#
- 1...Sxd2
- 2.Sc3#
- 2.Qd3#
- 1...dxe5
- 2.Qd3#
- 1...Sc3
- 2.Sxc3#
- 2.Qd3#
- 1...Rxe5!
- threat
- 1.Bxb1?
- Keys
- 1.Bb2!
- threat
- 2.Sf4#
- 2.Qd3#
- 2.Qf3#
- 1...Rxc4
- 2.bxc4#
- 1...Rxe5
- 2.Sf4#
- 1...Bxe5
- 2.Qf3#
- 1...Sxd2
- 2.Sc3#
- 2.Sf4#
- 2.Qd3#
- 1...dxe5
- 2.Qd3#
- 1...Bg5
- 2.Qd3#
- 2.Qf3#
- 1...Sc3
- 2.Sxc3#
- 1...Sg6
- 2.Qd3#
- 2.Qf3#
- 1...f4
- 2.Sxf4#
- 2.Be4#
- 2.Qd3#
- 2.Qf3#
- threat
- 1.Bb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- R(b);OGATE,XR(I)::P(G),XR(b)
- R(h);SBLOCK,XS(K)::S(C)
- B(i);SBLOCK,XS(K)::QAB(H)
- S(a);N_GUARD,XP(B)::S(C)
- S(a);N_GUARD,XB(F)::S(C)
- S(a);N_GUARD::S(C),XS(a)
- P(g);SBLOCK,XS(K)::QAR2(H)
- Tries
- Try
- B(A);XS(a)
- Threat
- S(C)
- Vars
- R(b);OGATE,XR(I)::P(G),XR(b)
- R(h);SBLOCK,XS(K)::S(C)
- B(i);SBLOCK,XS(K)::QAB(H)
- P(g);SBLOCK,XS(K)::QAR2(H)
- Refutation
- P(e);
- Try
- B(A);XP(e)
- Threat
- B(A)
- Vars
- R(b);OGATE,XR(I)::P(G),XR(b)
- S(a);N_GUARD,XP(B)::S(C)
- P(g);SBLOCK,XS(K)::QAR2(H)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- S(j);XB(A)
- Try
- R(J);
- Threat
- DUALS(2)
- Vars
- R(h);XS(K)::S(C)
- P(e);OGATE,XR(J)::B(A),XP(e)
- P(g);XS(K)::QAR2(H)
- B(i);::QAR2(H)
- S(j);::QAR2(H)
- Refutation
- B(i);XS(K)
- Try
- P(B);
- Threat
- DUALS(2)
- Vars
- R(h);XS(K)::S(C)
- B(i);XS(K)::QAB(H)
- P(c);OGATE,XP(B)::R1(J),XP(c)
- B(i);::QAB(H)
- S(j);::QAB(H)
- Refutation
- P(g);XS(K)
- Try
- P(D);
- Threat
- DUALS(2)
- Vars
- R(b);OGATE,XR(I)::P(G),XR(b)
- B(i);XS(K)::QAB(H)
- P(g);XS(K)::QAR2(H)
- Refutation
- R(h);XS(K)
- Try
- Actual
- B(F);
- Threat
- DUALS(3)
- Vars
- R(b);OGATE,XR(I)::P(G),XR(b)
- R(h);XS(K)::S(C)
- B(i);XS(K)::QAB(H)
- P(g);XS(K)::QAR2(H)
- S(a);N_GUARD::S(C),XS(a)
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).