MESON Chess Problem Database
Problem Display
PID: 55394 (6Q1/4PRPn/1P4B1/bppNK1p1/P1kB1P2/PR2P2p/8/Nr3b2 w - - 0 1)
Dyachuk, Vasyl Vasilovich
5th HM., Israel Ring Ty., 2001
#2
15 + 9
| 721 | Variantim | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Bg2
- 2.Bd3#
- 1...Bd3
- 2.Bxd3#
- 1...Bc3
- 2.Rxc3#
- 1...Bxb6
- 2.Sxb6#
- 2.Rc3#
- 1...cxd4
- 2.Qc8#
- 1...Bg2
- Tries
- 1.Sc3?
- threat
- 2.Rf6#
- 2.Rf8#
- 1...cxd4
- 2.Qc8#
- 1...Sf6
- 2.Rxf6#
- 1...Sf8
- 2.Rxf8#
- 1...Bg2!
- threat
- 1.Sb4?
- threat
- 2.Rc3#
- 2.Rf5#
- 2.Rf6#
- 2.Rf8#
- 1...Rxb3
- 2.Rf5#
- 2.Rf6#
- 2.Rf8#
- 1...Bxb4
- 2.Rf5#
- 2.Rf6#
- 2.Rf8#
- 1...cxb4
- 2.Rf5#
- 2.Rf6#
- 2.Rf8#
- 2.Qc8#
- 1...cxd4
- 2.Qc8#
- 1...Rc1
- 2.Rf5#
- 2.Rf6#
- 2.Rf8#
- 1...Bg2
- 2.Bd3#
- 2.Rc3#
- 1...Sf6
- 2.Rc3#
- 2.Rxf6#
- 1...Sf8
- 2.Rc3#
- 2.Rxf8#
- 1...bxa4!
- threat
- 1.Sc7?
- threat
- 2.Rf5#
- 2.Rf6#
- 2.Rf8#
- 1...Rxb3
- 2.Rf6#
- 2.Rf8#
- 1...Bg2
- 2.Bd3#
- 1...Bc3
- 2.Rxc3#
- 2.Rf6#
- 2.Rf8#
- 1...Sf6
- 2.Rxf6#
- 1...Sf8
- 2.Rxf8#
- 1...cxd4!
- threat
- 1.Rf6?
- threat
- 2.Sc3#
- 2.Sb4#
- 2.Sc7#
- 1...Sxf6
- 2.Sxf6#
- 1...bxa4
- 2.Sc3#
- 2.Sc7#
- 1...cxd4
- 2.Rc6#
- 2.Qc8#
- 1...Bg2
- 2.Bd3#
- 1...Bc3
- 2.Sxc3#
- 2.Sb4#
- 2.Sc7#
- 2.Rxc3#
- 1...Bb4
- 2.Sc3#
- 2.Sxb4#
- 2.Sc7#
- 1...b4
- 2.Sc3#
- 2.Sxb4#
- 2.Sc7#
- 1...Sf8!
- threat
- 1.Rf8?
- threat
- 2.Sc3#
- 2.Sb4#
- 2.Sf6#
- 2.Sc7#
- 1...bxa4
- 2.Sc3#
- 2.Sf6#
- 2.Sc7#
- 1...cxd4
- 2.Rc8#
- 1...Bg2
- 2.Bd3#
- 1...Bc3
- 2.Sxc3#
- 2.Sb4#
- 2.Sf6#
- 2.Sc7#
- 2.Rxc3#
- 1...Bb4
- 2.Sc3#
- 2.Sxb4#
- 2.Sf6#
- 2.Sc7#
- 1...Sf6
- 2.Sxf6#
- 1...b4
- 2.Sc3#
- 2.Sxb4#
- 2.Sf6#
- 2.Sc7#
- 1...Sxf8!
- threat
- 1.Qe8?
- threat
- 2.Qxb5#
- 1...bxa4
- 2.Qb5#
- 1...b4
- 2.Qb5#
- 1...Rxb3!
- threat
- 1.e8Q?
- threat
- 2.Qxb5#
- 1...bxa4
- 2.Qb5#
- 1...b4
- 2.Qb5#
- 1...Rxb3!
- threat
- 1.e8S?
- threat
- 2.Sd6#
- 1...cxd4
- 2.Rc7#
- 1...Rxa1!
- threat
- 1.Sc3?
- Keys
- 1.Sf6!
- threat
- 2.Rf8#
- 1...Sxf6
- 2.Rxf6#
- 1...cxd4
- 2.Qc8#
- 1...Bg2
- 2.Bd3#
- 1...Sf8
- 2.Rxf8#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- B(b);N_GUARD::B(K)
- B(b);N_GUARD::B(K),XB(b)
- B(e);N_GUARD,P_PINB(F)::R1(C),XB(e)
- P(g);OGATEB,XB(F)::QAR(O)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- P(g);OGATEB,XB(F)::QAR(O)
- S(i);::QAB(O)+R(M),XS(i)
- Refutation
- B(b);
- Try
- S(H);
- Threat
- DUALS(4)
- Vars
- P(g);OGATEB,XB(F)::QAR(O)
- Refutation
- P(f);XP(E)
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- B(b);N_GUARD::B(K)
- S(i);::QAB(O)+R(M),XS(i)
- Refutation
- P(g);XB(F)
- Try
- R(M);
- Threat
- DUALS(3)
- Vars
- S(i);XR(M)::QAB(O)+S(H),XS(i)
- B(b);N_GUARD::B(K)
- Refutation
- S(i);
- Try
- R(M);
- Threat
- DUALS(4)
- Vars
- P(g);OGATEB,XB(F)::R(M)
- B(b);N_GUARD::B(K)
- S(i);::QAB(O)+S(H),XS(i)
- Refutation
- S(i);XR(M)
- Try
- Q(O);
- Threat
- QAB1(O),XP(f)
- Vars
- P(f);XP(E)::QAB1(O)
- P(f);::QAB1(O)
- Refutation
- R(a);XR(C)
- Try
- P(L);
- Threat
- QAB1(L),XP(f)
- Vars
- P(f);XP(E)::QAB1(L)
- P(f);::QAB1(L)
- Refutation
- R(a);XR(C)
- Try
- P(L);
- Threat
- S(L)
- Vars
- P(g);OGATEB,XB(F)::R(M)
- Refutation
- R(a);XS(A)
- Try
- Actual
- S(H);
- Threat
- QAB(O)+R(M)
- Vars
- S(i);OGATE,XS(H)::QAB(O)+R(M),XS(i)
- P(g);OGATEB,XB(F)::QAR(O)
- B(b);N_GUARD::B(K)
- S(i);::QAB(O)+R(M),XS(i)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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