MESON Chess Problem Database
Problem Display
PID: 66961 (1q6/1p1pRPN1/1B2p2p/1R2P2P/4kN1r/r1b3Qp/3nK3/3n4 w - - 0 1)
Shanshin, Valery Yurevich
1st Place, Candidate Master Ty., 1992
#2
10 + 12
| 5416 | FIDE Album (1992-1994) (Annexe) | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Rxf4
- 2.Qd3#
- 1...Sb2
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sb1
- 2.Qf3#
- 1...Sf1
- 2.Qf3#
- 1...Sb3
- 2.Qf3#
- 1...Sf3
- 2.Qxf3#
- 1...Sc4
- 2.Qf3#
- 1...Rxf4
- Tries
- 1.Sg2?
- threat
- 2.Qxh4#
- 2.Qd3#
- 2.Qg6#
- 1...Qxe5
- 2.Qd3#
- 1...Rxh5
- 2.Qf4#
- 2.Qd3#
- 2.Qg4#
- 1...Bxe5
- 2.Qg6#
- 1...hxg2
- 2.Qxh4#
- 1...Qd6
- 2.Qxh4#
- 2.Qg6#
- 1...Rf4
- 2.Qxf4#
- 2.Qd3#
- 1...Rg4
- 2.Qd3#
- 2.Qxg4#
- 1...Ba1
- 2.Qxh4#
- 2.Qg6#
- 1...Bb2
- 2.Qxh4#
- 2.Qg6#
- 1...Bb4
- 2.Qxh4#
- 2.Qg6#
- 1...Bd4
- 2.Qxh4#
- 2.Qg6#
- 1...Ba5
- 2.Qxh4#
- 2.Qg6#
- 1...Sb2
- 2.Qxh4#
- 2.Qe3#
- 2.Qg6#
- 1...Sf2
- 2.Qe3#
- 2.Qg6#
- 1...Se3
- 2.Qxe3#
- 1...Sf3
- 2.Qxf3#
- 2.Qg6#
- 1...d5!
- threat
- 1.Sd3?
- threat
- 2.Qxh4#
- 2.Qg6#
- 1...Rxh5
- 2.Qf4#
- 2.Qg4#
- 1...Bxe5
- 2.Qg6#
- 1...Rf4
- 2.Qxf4#
- 1...Rg4
- 2.Qxg4#
- 1...Sf2
- 2.Sxf2#
- 2.Qe3#
- 2.Qg6#
- 1...Se3
- 2.Sf2#
- 2.Qxe3#
- 1...Sf3
- 2.Qxf3#
- 2.Qg6#
- 1...Qxe5!
- threat
- 1.Sxh3?
- threat
- 2.Qxh4#
- 2.Qd3#
- 2.Qg6#
- 1...Qxe5
- 2.Qd3#
- 1...Rxh3
- 2.Qg4#
- 1...Rxh5
- 2.Qf4#
- 2.Qd3#
- 2.Qg4#
- 1...Bxe5
- 2.Qg6#
- 1...Qd6
- 2.Qxh4#
- 2.Qg6#
- 1...Rf4
- 2.Qxf4#
- 2.Qd3#
- 1...Rg4
- 2.Qd3#
- 2.Qxg4#
- 1...Ba1
- 2.Qxh4#
- 2.Qg6#
- 1...Bb2
- 2.Qxh4#
- 2.Qg6#
- 1...Bb4
- 2.Qxh4#
- 2.Qg6#
- 1...Bd4
- 2.Qxh4#
- 2.Qg6#
- 1...Ba5
- 2.Qxh4#
- 2.Qg6#
- 1...Sb2
- 2.Sf2#
- 2.Qxh4#
- 2.Qe3#
- 2.Qg6#
- 1...Sf2
- 2.Sxf2#
- 2.Qe3#
- 2.Qg6#
- 1...Se3
- 2.Sf2#
- 2.Qxe3#
- 1...Sf3
- 2.Qxf3#
- 2.Qg6#
- 1...d5!
- threat
- 1.Sfxe6?
- threat
- 2.Qxh4#
- 2.Qd3#
- 2.Qg6#
- 1...Qxe5
- 2.Qd3#
- 1...Rxh5
- 2.Qf4#
- 2.Qd3#
- 2.Qg4#
- 1...Bxe5
- 2.Qg6#
- 1...dxe6
- 2.Qxh4#
- 1...Qd6
- 2.Qxh4#
- 2.Qg6#
- 1...Rf4
- 2.Qxf4#
- 2.Qd3#
- 1...Rg4
- 2.Qd3#
- 2.Qxg4#
- 1...Ba1
- 2.Qxh4#
- 2.Qg6#
- 1...Bb2
- 2.Qxh4#
- 2.Qg6#
- 1...Bb4
- 2.Qxh4#
- 2.Qg6#
- 1...Bd4
- 2.Qxh4#
- 2.Qg6#
- 1...Ba5
- 2.Qxh4#
- 2.Qg6#
- 1...Sb2
- 2.Qxh4#
- 2.Qe3#
- 2.Qg6#
- 1...Sf2
- 2.Qe3#
- 2.Qg6#
- 1...Se3
- 2.Qxe3#
- 1...Sf3
- 2.Qxf3#
- 2.Qg6#
- 1...d5!
- threat
- 1.Sg6?
- threat
- 2.Qxh4#
- 2.Qd3#
- 1...Qxe5
- 2.Qd3#
- 1...Rxh5
- 2.Qf4#
- 2.Qd3#
- 2.Qg4#
- 1...Qd6
- 2.Qxh4#
- 1...Rf4
- 2.Qxf4#
- 2.Qd3#
- 1...Rg4
- 2.Qd3#
- 2.Qxg4#
- 1...Ba1
- 2.Qxh4#
- 1...Bb2
- 2.Qxh4#
- 1...Bb4
- 2.Qxh4#
- 1...Bd4
- 2.Qxh4#
- 1...Ba5
- 2.Qxh4#
- 1...Sb2
- 2.Qxh4#
- 2.Qe3#
- 1...Sf2
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sf3
- 2.Qxf3#
- 1...Bxe5!
- threat
- 1.Sg2?
- Keys
- 1.Sd5!
- threat
- 2.Sf6#
- 1...Qxe5
- 2.Qd3#
- 1...Bxe5
- 2.Qg6#
- 1...exd5
- 2.Qxh4#
- 1...Rf4
- 2.Qxf4#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- R(g);SBLOCK,XS(C)::QAB1(B)
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- S(b);N_GUARD::QAB1(B)
- S(b);N_GUARD::QAB1(B),XS(b)
- Tries
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- Q(l);XP(E)::QAB1(B)
- B(d);XP(E)::QAB(B)
- P(e);XS(C)::QAR(B),XR(g)
- S(a);N_GUARD::QAR1(B),XS(a)
- Refutation
- P(k);
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- B(d);XP(E)::QAB(B)
- R(g);N_GUARD::QAR1(B),XR(g)
- R(g);N_GUARD::QAR2(B),XR(g)
- Refutation
- Q(l);XP(E)
- Try
- S(C);XP(e)
- Threat
- DUALS(3)
- Vars
- Q(l);XP(E)::QAB1(B)
- R(g);N_GUARD,XS(C)::QAR2(B)
- B(d);XP(E)::QAB(B)
- Refutation
- P(k);
- Try
- S(C);XP(h)
- Threat
- DUALS(3)
- Vars
- Q(l);XP(E)::QAB1(B)
- B(d);XP(E)::QAB(B)
- P(k);XS(C)::QAR(B),XR(g)
- S(a);N_GUARD::QAR1(B),XS(a)
- Refutation
- P(k);
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- Q(l);XP(E)::QAB1(B)
- Q(l);::QAR(B),XR(g)
- B(d);::QAR(B),XR(g)
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- S(b);N_GUARD::QAB1(B),XS(b)
- Refutation
- B(d);XP(E)
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- Q(l);SBLOCK,XP(E)::QAB1(B)
- B(d);SBLOCK,XP(E)::QAB(B)
- P(h);XS(C)::QAR(B),XR(g)
- R(g);N_GUARD::QAR1(B),XR(g)
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).