MESON Chess Problem Database
Problem Display
PID: 105391 (2RR4/3Q3K/N2N4/1n1p1n2/q2k2b1/1ppPppB1/2P1P2b/8 w - - 0 1)
Kashcheev, Niktopolion Pavlovich
Pypa, Volodimir Iosifovich
Mlad Borec, 1964
#2
10 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Sxb5#
- 1...Qa2
- 2.Sxb5#
- 1...Qa3
- 2.Sxb5#
- 1...Bh5
- 2.Sxf5#
- 1...Sa3
- 2.Qa7#
- 1...Sbxd6
- 2.Qa7#
- 1...Sa7
- 2.Qxa4#
- 2.Qxa7#
- 1...Sc7
- 2.Qxa4#
- 1...Sxg3
- 2.Qg7#
- 1...Sh4
- 2.Qxg4#
- 2.Qg7#
- 1...Sfxd6
- 2.Qg7#
- 1...Sh6
- 2.Qg7#
- 1...Se7
- 2.Qxg4#
- 1...Sg7
- 2.Qxg4#
- 2.Qxg7#
- 1...Qa1
- Tries
- 1.Sc4?
- threat
- 2.Qxd5#
- 1...Qxc4
- 2.Rxc4#
- 1...Sbd6
- 2.Qa7#
- 1...Sfd6
- 2.Qg7#
- 1...Se7
- 2.Qxg4#
- 1...Sc7!
- threat
- 1.Se4?
- threat
- 2.Qxd5#
- 1...Qc4
- 2.Rxc4#
- 1...Sbd6
- 2.Qa7#
- 1...Sc7
- 2.Qxa4#
- 1...Sfd6
- 2.Qg7#
- 1...Se7!
- threat
- 1.Sb7?
- threat
- 2.Qxd5#
- 1...Qc4
- 2.Rxc4#
- 1...Sc7
- 2.Qxa4#
- 1...Sfd6
- 2.Qg7#
- 1...Se7
- 2.Qxg4#
- 1...Sbd6!
- threat
- 1.Sf7?
- threat
- 2.Qxd5#
- 1...Qc4
- 2.Rxc4#
- 1...Sbd6
- 2.Qa7#
- 1...Sc7
- 2.Qxa4#
- 1...Se7
- 2.Qxg4#
- 1...Sfd6!
- threat
- 1.Rc4+?
- 1...dxc4
- 2.Sxb5#
- 2.Sxf5#
- 1...Qxc4!
- 1...dxc4
- 1.Qxf5?
- threat
- 2.Qxg4#
- 2.Qf4#
- 2.Qe5#
- 2.Qf6#
- 1...Bxf5+
- 2.Sxf5#
- 1...Sxd6
- 2.Qe5#
- 2.Qf6#
- 1...Bh3
- 2.Qf4#
- 2.Qe5#
- 2.Qf6#
- 1...Bh5
- 2.Qf4#
- 2.Qe5#
- 2.Qf6#
- 1...Bxg3!
- threat
- 1.Qe6?
- threat
- 2.Qe5#
- 2.Qf6#
- 1...Sxg3
- 2.Qf6#
- 1...Bxg3!
- threat
- 1.Qe8?
- threat
- 2.Qe5#
- 1...Sxg3
- 2.Qh8#
- 1...Se7
- 2.Qh8#
- 1...Bxg3!
- threat
- 1.Sc4?
- Keys
- 1.Se8!
- threat
- 2.Qxd5#
- 1...Qc4
- 2.Rxc4#
- 1...Sbd6
- 2.Qa7#
- 1...Sc7
- 2.Qxa4#
- 1...Sfd6
- 2.Qg7#
- 1...Se7
- 2.Qxg4#
- threat
- 1.Se8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- Q(f);N_GUARD::S(F),XS(i)
- B(h);N_GUARD::S(F),XS(k)
- S(i);N_GUARD::QAB(G)
- S(i);N_GUARD,XS(F)::QAB(G)
- S(i);OGATE::QAR(G),XQ(f)
- S(k);N_GUARD,XB(D)::QAB(G)
- S(k);N_GUARD,XS(F)::QAB(G)
- S(k);N_GUARD::QAB(G)
- S(k);OGATE::QAR(G),XB(h)
- Tries
- Try
- S(F);P_PINP(j)
- Threat
- QAR1(G),XP(j)
- Vars
- Q(f);OGATE,XS(F)::R1(I),XQ(f)
- S(i);N_GUARD,N_SPINP(j)::QAB(G)
- S(k);N_GUARD,N_SPINP(j)::QAB(G)
- S(k);OGATE::QAR(G),XB(h)
- Refutation
- S(i);
- Try
- S(F);P_PINP(j)
- Threat
- QAR1(G),XP(j)
- Vars
- Q(f);N_GUARD::R1(I),XQ(f)
- S(i);N_GUARD,N_SPINP(j)::QAB(G)
- S(i);OGATE::QAR(G),XQ(f)
- S(k);N_GUARD,N_SPINP(j)::QAB(G)
- Refutation
- S(k);
- Try
- S(F);P_PINP(j)
- Threat
- QAR1(G),XP(j)
- Vars
- Q(f);N_GUARD::R1(I),XQ(f)
- S(i);OGATE::QAR(G),XQ(f)
- S(k);N_GUARD,N_SPINP(j)::QAB(G)
- S(k);OGATE::QAR(G),XB(h)
- Refutation
- S(i);N_SPINP(j)
- Try
- S(F);P_PINP(j)
- Threat
- QAR1(G),XP(j)
- Vars
- Q(f);N_GUARD::R1(I),XQ(f)
- S(i);N_GUARD,N_SPINP(j)::QAB(G)
- S(i);OGATE::QAR(G),XQ(f)
- S(k);OGATE::QAR(G),XB(h)
- Refutation
- S(k);N_SPINP(j)
- Try
- R(I);CHECK
- Refutation
- Q(f);XR(I)
- Try
- Q(G);XS(k)
- Threat
- DUALS(4)
- Vars
- B(h);CHECK,XQ(G)::S(F),XB(h)
- Refutation
- B(a);XB(D)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- S(k);XB(D)::QAB(G)
- Refutation
- B(a);XB(D)
- Try
- Q(G);
- Threat
- QAB1(G)
- Vars
- S(k);N_GUARD,XB(D)::QAB(G)
- S(k);N_GUARD::QAB(G)
- Refutation
- B(a);XB(D)
- Try
- Actual
- S(F);P_PINP(j)
- Threat
- QAR1(G),XP(j)
- Vars
- Q(f);N_GUARD::R1(I),XQ(f)
- S(i);N_GUARD,N_SPINP(j)::QAB(G)
- S(i);OGATE::QAR(G),XQ(f)
- S(k);N_GUARD,N_SPINP(j)::QAB(G)
- S(k);OGATE::QAR(G),XB(h)
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).