MESON Chess Problem Database
Problem Display
PID: 15986 (8/2p5/1p3PpK/bQ1p1p2/3Nk3/r2RNR2/2n4B/3B3n w - - 0 1)
Mazul, Waldemar
3rd Prize, Die Schwalbe, 2000
#2
9 + 10
| 23 | Die Schwalbe | 2003 |
| 56 | The Problemist | 2004 |
| 6166 | FIDE Album (1998-2000) | 2007 |
| 6004 | Henk Hagedoorn Solving Ty. | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Qxd5#
- 1...Sxe3
- 2.Rfxe3#
- 1...Rxd3
- Tries
- 1.Sexc2?
- threat
- 2.Rfe3#
- 2.Qe8#
- 1...Rxd3
- 2.Qxd3#
- 2.Qe8#
- 1...Sg3
- 2.Qe8#
- 1...f4
- 2.Qe8#
- 1...Bb4
- 2.Rfe3#
- 1...c6
- 2.Rfe3#
- 1...Bd2+!
- threat
- 1.Sc4?
- threat
- 2.Qe8#
- 1...Bd2+
- 2.Sxd2#
- 1...Rxd3
- 2.Rf4#
- 1...Sxd4
- 2.Rfe3#
- 1...dxc4
- 2.Qc6#
- 2.Qe5#
- 1...Se3
- 2.Rfxe3#
- 1...c6
- 2.Sd6#
- 1...Bb4!
- threat
- 1.Sg4?
- threat
- 2.Rf4#
- 2.Qe8#
- 1...Rxd3
- 2.Rf4#
- 2.Qxd3#
- 1...Sxd4
- 2.Rfe3#
- 2.Rf4#
- 1...fxg4
- 2.Qe8#
- 1...Bb4
- 2.Rf4#
- 1...Sg3
- 2.Qe8#
- 1...Se3
- 2.Rfxe3#
- 2.Rf4#
- 1...f4
- 2.Rxf4#
- 2.Qe8#
- 1...g5
- 2.Qe8#
- 1...c6
- 2.Rf4#
- 1...Bd2+!
- threat
- 1.Sdxc2?
- threat
- 2.Rd4#
- 2.Qxd5#
- 1...Rxd3
- 2.Qe8#
- 1...Sg3
- 2.Qxd5#
- 1...f4
- 2.Qxd5#
- 1...Ra4
- 2.Qxd5#
- 1...Bc3
- 2.Qxd5#
- 1...d4
- 2.Rxd4#
- 2.Rf4#
- 1...c6
- 2.Rd4#
- 1...c5!
- threat
- 1.Sc6?
- threat
- 2.Rf4#
- 2.Qxd5#
- 1...Sxe3
- 2.Rd4#
- 2.Rfxe3#
- 2.Rf4#
- 1...Sg3
- 2.Qxd5#
- 1...Sb4
- 2.Rd4#
- 2.Rf4#
- 1...Sd4
- 2.Rxd4#
- 2.Rf4#
- 1...d4
- 2.Rf4#
- 1...f4
- 2.Rxf4#
- 2.Qxd5#
- 1...g5
- 2.Qxd5#
- 1...Rxd3!
- threat
- 1.Se6?
- threat
- 2.Sg5#
- 2.Qxd5#
- 1...Sxe3
- 2.Sg5#
- 2.Rd4#
- 2.Rfxe3#
- 1...Sg3
- 2.Qxd5#
- 1...f4
- 2.Qxd5#
- 1...Sb4
- 2.Sg5#
- 2.Rd4#
- 1...Sd4
- 2.Sg5#
- 2.Rxd4#
- 1...d4
- 2.Sg5#
- 2.Rf4#
- 1...g5
- 2.Sxg5#
- 2.Qxd5#
- 1...c5
- 2.Sg5#
- 1...c6
- 2.Sg5#
- 1...Rxd3!
- threat
- 1.Bxc2?
- threat
- 2.Qe8#
- 2.Qxd5#
- 1...Rxd3
- 2.Qxd3#
- 2.Qxd5#
- 1...Bb4
- 2.Qxd5#
- 1...c5
- 2.Qe8#
- 1...c6!
- threat
- 1.Be2?
- threat
- 2.Qe8#
- 2.Qxd5#
- 1...Rxd3
- 2.Qxd3#
- 2.Qxd5#
- 1...Sxe3
- 2.Rfxe3#
- 2.Qe8#
- 1...Sxd4
- 2.Qxd5#
- 1...Bb4
- 2.Qxd5#
- 1...Sb4
- 2.Qe8#
- 1...c5
- 2.Qe8#
- 1...c6!
- threat
- 1.Bxc7?
- threat
- 2.Rf4#
- 1...Rxd3
- 2.Qxd5#
- 1...f4
- 2.Rxf4#
- 1...g5!
- threat
- 1.Rxf5?
- threat
- 2.Bf3#
- 2.Re5#
- 1...Sxd4
- 2.Re5#
- 1...gxf5
- 2.Bf3#
- 1...Sg3
- 2.Bf3#
- 1...Se1
- 2.Re5#
- 1...Rxd3!
- threat
- 1.Sexc2?
- Keys
- 1.Sdxf5!
- threat
- 2.Qxd5#
- 1...Rxd3
- 2.Qe8#
- 1...Sxe3
- 2.Rd4#
- 1...Sb4
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...d4
- 2.Rf4#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- threat
- 1.Sdxf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(c);SBLOCK,XR(C)::QAB1(G),XP(f)
- S(b);OGATE,XS(D)::R1(E),XS(b)
- Tries
- Try
- S(D);XS(b)
- Threat
- DUALS(2)
- Vars
- S(a);::QAR(G)
- P(g);::QAR(G)
- B(e);::R1(E)
- P(j);::R1(E)
- Refutation
- B(e);CHECK
- Try
- S(D);
- Threat
- QAR(G)
- Vars
- B(e);CHECK,N_GUARD::S(D),XB(e)
- R(c);SBLOCK,XR(C)::R1(E)
- S(b);N_GUARD,XS(F)::R1(E)
- S(b);N_GUARD::R1(E),XS(b)
- P(j);N_GUARD::S(D)
- Refutation
- B(e);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(g);XS(D)::QAR(G)
- B(e);::R1(E)
- S(a);::QAR(G)
- P(i);::QAR(G)
- P(j);::R1(E)
- Refutation
- B(e);CHECK
- Try
- S(F);XS(b)
- Threat
- DUALS(2)
- Vars
- R(c);SBLOCK,XR(C)::QAR(G)
- S(a);::QAB1(G),XP(f)
- P(g);::QAB1(G),XP(f)
- R(c);::QAB1(G),XP(f)
- B(e);::QAB1(G),XP(f)
- P(j);::R1(C)
- Refutation
- P(j);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB1(G),XP(f)
- P(f);::R1(E)
- P(i);::QAB1(G),XP(f)
- Refutation
- R(c);XR(C)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(a);::QAB1(G),XP(f)
- P(g);::QAB1(G),XP(f)
- P(j);::S(F)
- Refutation
- R(c);XR(C)
- Try
- B(A);XS(b)
- Threat
- DUALS(2)
- Vars
- B(e);::QAB1(G),XP(f)
- P(j);::QAR(G)
- Refutation
- P(j);
- Try
- B(A);
- Threat
- DUALS(2)
- Vars
- S(b);XS(F)::QAB1(G),XP(f)
- B(e);::QAB1(G),XP(f)
- S(b);::QAR(G)
- P(j);::QAR(G)
- Refutation
- P(j);
- Try
- B(B);XP(j)
- Threat
- R1(E)
- Vars
- R(c);SBLOCK,XR(C)::QAB1(G),XP(f)
- P(g);::R1(E),XP(g)
- Refutation
- P(i);
- Try
- R(E);XP(g)
- Threat
- DUALS(2)
- Vars
- S(b);XS(F)::R1(E)
- P(i);XR(E)::B(A)
- S(a);::B(A)
- S(b);::R1(E)
- Refutation
- R(c);XR(C)
- Try
- Actual
- S(F);XP(g)
- Threat
- QAB1(G),XP(f)
- Vars
- R(c);SBLOCK,XR(C)::QAR(G)
- S(b);N_GUARD,XS(D)::R1(C)
- S(b);N_GUARD::R1(C)
- S(b);N_GUARD::R1(C),XS(b)
- P(f);::R1(E)
- P(j);N_GUARD::S(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).