MESON Chess Problem Database
Problem Display
PID: 55958 (8/1P2pr1P/1P1pNp2/4kBp1/3pP1Q1/1rp3n1/b3p1N1/5nK1 w - - 0 1)
Kopaev, Viacheslav Georgievich
1st Prize, Probleemblad, 2004
#2
9 + 13
| 102 | Probleemblad | 2007 |
| 145 | StrateGems | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Sd2
- 2.Qxg3#
- 1...Sh2
- 2.Qxg3#
- 1...Se3
- 2.Qxg3#
- 1...Sxe4
- 2.Qxe4#
- 1...Sxf5
- 2.Qxf5#
- 1...d5
- 2.b8Q#
- 2.b8B#
- 1...Sd2
- Tries
- 1.Se1?
- threat
- 2.Sd3#
- 2.Sf3#
- 1...Sxe4
- 2.Qxe4#
- 1...Sxf5
- 2.Qxf5#
- 1...d5
- 2.b8Q#
- 2.b8B#
- 1...Bb1
- 2.Sf3#
- 1...Sd2
- 2.Sd3#
- 2.Qxg3#
- 1...Sh2
- 2.Sd3#
- 2.Qxg3#
- 1...d3
- 2.Sxd3#
- 2.Sf3#
- 1...c2!
- threat
- 1.Sgf4?
- threat
- 2.Sd3#
- 2.Sg6#
- 1...Sxf5
- 2.Qxf5#
- 1...gxf4
- 2.Qxf4#
- 1...d5
- 2.b8Q#
- 2.b8B#
- 1...e1S
- 2.Sg6#
- 1...Rg7
- 2.Sd3#
- 1...Bb1
- 2.Sg6#
- 1...c2
- 2.Sg6#
- 1...d3
- 2.Sxd3#
- 2.Sg6#
- 1...Sxe4!
- threat
- 1.Sc5?
- threat
- 2.Sd3#
- 2.Sd7#
- 1...Sxe4
- 2.Qxe4#
- 1...Sxf5
- 2.Qxf5#
- 1...dxc5
- 2.b8Q#
- 2.b8B#
- 1...d5
- 2.b8Q#
- 2.b8B#
- 1...e1S
- 2.Sd7#
- 1...Bb1
- 2.Sd7#
- 1...c2
- 2.Sd7#
- 1...e6
- 2.Sd3#
- 1...d3!
- threat
- 1.Sxg5?
- threat
- 2.Sf3#
- 2.Sxf7#
- 2.Qf4#
- 1...Rxb6
- 2.Sf3#
- 2.Qf4#
- 1...Rxh7
- 2.Sf3#
- 2.Qf4#
- 1...Sxe4
- 2.Qxe4#
- 1...Sxf5
- 2.Qxf5#
- 2.Qf4#
- 1...d3
- 2.Sf3#
- 1...d5
- 2.Sxf7#
- 2.Qf4#
- 2.b8Q#
- 2.b8B#
- 1...e1S
- 2.Sxf7#
- 2.Qf4#
- 1...Rb1
- 2.Sf3#
- 2.Qf4#
- 1...Rb2
- 2.Sf3#
- 2.Qf4#
- 1...Ra3
- 2.Sf3#
- 2.Qf4#
- 1...Rb4
- 2.Sf3#
- 2.Qf4#
- 1...Rb5
- 2.Sf3#
- 2.Qf4#
- 1...Rg7
- 2.Sf3#
- 2.Qf4#
- 1...Rf8
- 2.Sf3#
- 2.Qf4#
- 1...Sd2
- 2.Sxf7#
- 2.Qxg3#
- 2.Qf4#
- 1...Sh2
- 2.Sxf7#
- 2.Qxg3#
- 2.Qf4#
- 1...Sh5
- 2.Sf3#
- 2.Sxf7#
- 1...c2
- 2.Sxf7#
- 2.Qf4#
- 1...fxg5!
- threat
- 1.Sd8?
- threat
- 2.Sc6#
- 2.Sxf7#
- 1...Rxh7
- 2.Sc6#
- 1...Sxe4
- 2.Qxe4#
- 1...Sxf5
- 2.Qxf5#
- 1...d3
- 2.Sc6#
- 1...d5
- 2.Sxf7#
- 2.b8Q#
- 2.b8B#
- 1...Rb1
- 2.Sc6#
- 1...Rb2
- 2.Sc6#
- 1...Ra3
- 2.Sc6#
- 1...Rb4
- 2.Sc6#
- 1...Rb5
- 2.Sc6#
- 1...Rg7
- 2.Sc6#
- 1...Rf8
- 2.Sc6#
- 1...Rxb6!
- threat
- 1.b8S?
- threat
- 2.Sc6#
- 2.Sd7#
- 1...Rxb6
- 2.Sd7#
- 1...Sxe4
- 2.Qxe4#
- 1...Sxf5
- 2.Qxf5#
- 1...d5!
- threat
- 1.h8S?
- threat
- 2.Sg6#
- 2.Sxf7#
- 1...Sxe4
- 2.Qxe4#
- 1...Sxf5
- 2.Qxf5#
- 1...d5
- 2.Sxf7#
- 2.b8Q#
- 2.b8B#
- 1...Rh7
- 2.Sg6#
- 1...Rf8
- 2.Sg6#
- 1...Rg7!
- threat
- 1.Se1?
- Keys
- 1.Sh4!
- threat
- 2.Sf3#
- 2.Sg6#
- 1...Sxe4
- 2.Qxe4#
- 1...Sxf5
- 2.Qxf5#
- 1...gxh4
- 2.Qf4#
- 1...d5
- 2.b8Q#
- 2.b8B#
- 1...e1S
- 2.Sg6#
- 1...Rg7
- 2.Sf3#
- 1...Sd2
- 2.Sg6#
- 2.Qxg3#
- 1...Sh2
- 2.Sg6#
- 2.Qxg3#
- 1...c2
- 2.Sg6#
- threat
- 1.Sh4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- S(a);N_GUARD::QAB(D),XS(f)
- S(f);OGATE,XP(C)::QAR1(D),XS(f)
- S(f);OGATE,XB(E)::QAR1(D),XS(f)
- P(j);::P=Q
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- S(f);OGATE,XP(C)::QAR1(D),XS(f)
- S(f);OGATE,XB(E)::QAR1(D),XS(f)
- P(j);::P=Q
- B(b);::S(B)
- Refutation
- P(e);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- S(f);OGATE,XB(E)::QAR1(D),XS(f)
- P(i);OGATE,XS(B)::QAB1(D),XP(i)
- P(j);::P=Q
- P(c);::S(B)
- R(m);::S(B)
- B(b);::S(B)
- P(e);::S(B)
- Refutation
- S(f);XP(C)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- S(f);OGATE,XP(C)::QAR1(D),XS(f)
- S(f);OGATE,XB(E)::QAR1(D),XS(f)
- P(j);XS(G)::P=Q
- P(j);::P=Q
- P(c);::S(G)
- B(b);::S(G)
- P(e);::S(G)
- P(l);::S(G)
- Refutation
- P(g);
- Try
- S(G);XP(i)
- Threat
- DUALS(3)
- Vars
- S(f);OGATE,XP(C)::QAR1(D),XS(f)
- P(g);::S(G)
- Refutation
- P(k);XS(G)
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- R(m);XP(I)::S(G)
- S(f);OGATE,XP(C)::QAR1(D),XS(f)
- S(f);OGATE,XB(E)::QAR1(D),XS(f)
- P(g);::S(G)
- R(d);::S(G)
- R(m);::S(G)
- Refutation
- R(d);XP(F)
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- R(d);XP(F)::S(H)
- S(f);OGATE,XP(C)::QAR1(D),XS(f)
- S(f);OGATE,XB(E)::QAR1(D),XS(f)
- Refutation
- P(j);
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- S(f);OGATE,XP(C)::QAR1(D),XS(f)
- S(f);OGATE,XB(E)::QAR1(D),XS(f)
- R(m);::S(I)
- Refutation
- R(m);
- Try
- Actual
- S(B);
- Threat
- DUALS(2)
- Vars
- S(f);OGATE,XP(C)::QAR1(D),XS(f)
- S(f);OGATE,XB(E)::QAR1(D),XS(f)
- P(i);N_GUARD,XS(B)::QAB1(D)
- P(j);::P=Q
- P(c);::S(B)
- R(m);::S(B)
- P(e);::S(B)
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).