MESON Chess Problem Database
Problem Display
PID: 117363 (2R5/4Kp2/1p6/3k4/1p1PpBnr/4pP1Q/4Np1p/3R2b1 w - - 0 1)
Lider, Valentin Viktorovich
Shakhmatnaya kompozitsiya, 1992
#2
8 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Se5
- 2.dxe5#
- 1...Sf6
- 2.Qf5#
- 1...Sh6
- 2.Qd7#
- 1...b3
- 2.Sc3#
- 1...exf3
- 2.Qxf3#
- 1...b5
- 2.Rc5#
- 1...Se5
- Tries
- 1.Bxh2?
- threat
- 2.Sf4#
- 1...Sxh2
- 2.Qf5#
- 2.Qd7#
- 1...exf3
- 2.Qxf3#
- 1...Se5
- 2.dxe5#
- 1...Sf6
- 2.Qf5#
- 1...Sh6
- 2.Qd7#
- 1...Bxh2!
- threat
- 1.Bxe3?
- threat
- 2.Sf4#
- 1...Sxe3
- 2.Qd7#
- 1...exf3
- 2.Qxf3#
- 1...Sf6
- 2.Qf5#
- 1...Sh6
- 2.Qd7#
- 1...Se5!
- threat
- 1.Bg3?
- threat
- 2.Sf4#
- 1...Se5
- 2.dxe5#
- 1...Sf6
- 2.Qf5#
- 1...Sh6
- 2.Qd7#
- 1...exf3!
- threat
- 1.Bg5?
- threat
- 2.Sf4#
- 1...exf3
- 2.Qxf3#
- 1...Sf6
- 2.Qf5#
- 1...Sh6
- 2.Qd7#
- 1...Se5!
- threat
- 1.Bd6?
- threat
- 2.Sf4#
- 1...exf3
- 2.Qxf3#
- 1...Se5
- 2.dxe5#
- 1...Sf6
- 2.Qf5#
- 1...Sh6!
- threat
- 1.Bh6?
- threat
- 2.Sf4#
- 1...Sxh6
- 2.Qd7#
- 1...exf3
- 2.Qxf3#
- 1...Sf6
- 2.Qf5#
- 1...Se5!
- threat
- 1.Qg2?
- threat
- 2.fxe4#
- 1...exf3
- 2.Qxf3#
- 1...Sf6
- 2.Qg5#
- 1...f5!
- threat
- 1.Qxg4?
- threat
- 2.Qf5#
- 2.Qd7#
- 1...exf3
- 2.Qxf3#
- 2.Qf5#
- 1...Rh5
- 2.Qd7#
- 1...Rh6
- 2.Qf5#
- 1...f5
- 2.Qxf5#
- 2.Qg8#
- 1...Rxg4!
- threat
- 1.Bxh2?
- Keys
- 1.Bb8!
- threat
- 2.Sf4#
- 1...exf3
- 2.Qxf3#
- 1...Se5
- 2.dxe5#
- 1...Sf6
- 2.Qf5#
- 1...Sh6
- 2.Qd7#
- threat
- 1.Bb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- S(g);OGATE::R(A)+P(E),XS(g)
- S(g);OGATE::QAR2(D)
- P(e);N_GUARD::S(B)
- P(f);OGATE,XP(C)::QAB(D),XP(f)
- P(j);N_GUARD::R1(H)
- Tries
- Try
- B(F);XP(c)
- Threat
- S(B)
- Vars
- P(f);OGATE,XP(C)::QAB(D),XP(f)
- S(g);OGATE::R(A)+P(E),XS(g)
- S(g);OGATE::QAR2(D)
- Refutation
- B(a);XB(F)
- Try
- B(F);XP(d)
- Threat
- S(B)
- Vars
- S(g);OGATE,XB(F)::QAR2(D)
- P(f);OGATE,XP(C)::QAB(D),XP(f)
- S(g);OGATE::QAR2(D)
- Refutation
- S(g);
- Try
- B(F);
- Threat
- S(B)
- Vars
- S(g);OGATE::R(A)+P(E),XS(g)
- S(g);OGATE::QAR2(D)
- Refutation
- P(f);XP(C)
- Try
- B(F);
- Threat
- S(B)
- Vars
- P(f);OGATE,XP(C)::QAB(D),XP(f)
- S(g);OGATE::QAR2(D)
- Refutation
- S(g);
- Try
- B(F);
- Threat
- S(B)
- Vars
- P(f);OGATE,XP(C)::QAB(D),XP(f)
- S(g);OGATE::R(A)+P(E),XS(g)
- S(g);OGATE::QAR2(D)
- Refutation
- S(g);
- Try
- B(F);
- Threat
- S(B)
- Vars
- S(g);OGATE,XB(F)::QAR2(D)
- P(f);OGATE,XP(C)::QAB(D),XP(f)
- S(g);OGATE::QAR2(D)
- Refutation
- S(g);
- Try
- Q(D);
- Threat
- P(C),XP(f)
- Vars
- P(f);OGATE,P_SPINP(f),XP(C)::QAB(D),XP(f)
- S(g);OGATE::QAR(D)
- Refutation
- P(k);
- Try
- Q(D);XS(g)
- Threat
- DUALS(2)
- Vars
- R(h);::QAR2(D)
- Refutation
- R(h);XQ(D)
- Try
- Actual
- B(F);
- Threat
- S(B)
- Vars
- P(f);OGATE,XP(C)::QAB(D),XP(f)
- S(g);OGATE::R(A)+P(E),XS(g)
- S(g);OGATE::QAR2(D)
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).