MESON Chess Problem Database
Problem Display
PID: 245927 (6r1/3P1Q1n/4BnP1/1Nppk1bR/4pN1R/8/3B4/2K5 w - - 0 1)
Kopyl, Valery Volodimirovich
Schweizerische Schachzeitung, 2009
#2
10 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxg6
- 2.Sxg6#
- 1...Sg4
- 2.Qf5#
- 1...Sxh5
- 2.Qf5#
- 1...Sxd7
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...Sf8
- 2.Rxg5#
- 1...e3
- 2.Sd3#
- 1...Rxg6
- Tries
- 1.Se2?
- threat
- 2.Bf4#
- 1...Sxh5
- 2.Qf5#
- 1...e3!
- threat
- 1.Sg2?
- threat
- 2.Bf4#
- 1...Sxh5
- 2.Qf5#
- 1...e3!
- threat
- 1.Sh3?
- threat
- 2.Bf4#
- 1...Sxh5
- 2.Qf5#
- 1...e3!
- threat
- 1.Ba5?
- threat
- 2.Bc7#
- 1...e3
- 2.Sd3#
- 1...Se8
- 2.Qf5#
- 1...Rc8!
- threat
- 1.Bh3?
- threat
- 2.Qe6#
- 2.Qe7#
- 1...Sxh5
- 2.Qe6#
- 2.Qf5#
- 1...Rg7
- 2.Qe6#
- 1...Sg4
- 2.Qe6#
- 1...Sf8
- 2.Rxg5#
- 1...Re8!
- threat
- 1.Bxd5?
- threat
- 2.Qe6#
- 1...Kf5
- 2.Qe6#
- 1...Sf8
- 2.Rxg5#
- 1...Re8!
- threat
- 1.Qxf6+?
- 1...Sxf6
- 2.Rxg5#
- 1...Kxf6!
- 1...Sxf6
- 1.Qe7?
- threat
- 2.Bh3#
- 2.Bg4#
- 2.Qd6#
- 1...Sxd7
- 2.Bh3#
- 2.Bg4#
- 2.Bxd7#
- 1...e3
- 2.Sd3#
- 2.Bh3#
- 1...Rg7
- 2.Qd6#
- 1...Re8
- 2.Qd6#
- 1...Sg4
- 2.Bxg4#
- 1...Se8
- 2.Bh3#
- 2.Bg4#
- 1...Sf8
- 2.Rxg5#
- 2.Qd6#
- 1...Sxh5!
- threat
- 1.g7?
- threat
- 2.Sg6#
- 1...Sf8
- 2.Rxg5#
- 1...Rxg7!
- threat
- 1.d8Q?
- threat
- 2.Qdc7#
- 2.Qfc7#
- 2.Qd6#
- 1...e3
- 2.Sd3#
- 1...Rg7
- 2.Qdc7#
- 2.Qd6#
- 2.Qb8#
- 1...Sd7
- 2.Qc7#
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 2.Qxd5#
- 1...Rxd8!
- threat
- 1.d8S?
- threat
- 2.Sc6#
- 2.Qc7#
- 1...Sxh5
- 2.Sc6#
- 2.Qf5#
- 1...e3
- 2.Sd3#
- 1...Rg7
- 2.Sc6#
- 1...Sg4
- 2.Sc6#
- 2.Qf5#
- 1...Sd7
- 2.Sc6#
- 2.Qf5#
- 1...Se8
- 2.Sc6#
- 2.Qf5#
- 1...Rxd8!
- threat
- 1.d8B?
- threat
- 2.Bc7#
- 2.Qc7#
- 1...e3
- 2.Sd3#
- 1...Rg7
- 2.Bc7#
- 1...Sd7
- 2.Bc7#
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...Rxd8!
- threat
- 1.Se2?
- Keys
- 1.Sxd5!
- threat
- 2.Bf4#
- 1...Sxd5
- 2.Qf5#
- 1...Sxh5
- 2.Qf5#
- 1...e3
- 2.Bc3#
- threat
- 1.Sxd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(h);XP(H)::S(C),XR(h)
- S(f);OGATE::QAR1(J)
- S(f);N_SPINB(e),OGATE,XR(F)::QAR1(J)
- S(f);OGATE,XP(I)::QAR1(J)
- S(g);N_GUARD::R(F),XB(e)
- P(a);N_GUARD::S(C)
- Tries
- Try
- S(C);P_SPINB(B)
- Threat
- B(B)
- Vars
- S(f);N_SPINB(e),OGATE,XR(F)::QAR1(J)
- Refutation
- P(a);N_PINB(B)
- Try
- S(C);P_SPINB(B)
- Threat
- B(B)
- Vars
- S(f);N_SPINB(e),OGATE,XR(F)::QAR1(J)
- Refutation
- P(a);N_PINB(B)
- Try
- S(C);P_SPINB(B)
- Threat
- B(B)
- Vars
- S(f);N_SPINB(e),OGATE,XR(F)::QAR1(J)
- Refutation
- P(a);N_PINB(B)
- Try
- B(B);P_SPINS(C)
- Threat
- B(B)
- Vars
- P(a);N_PINS(C)::S(C)
- S(f);OGATE::QAR1(J)
- Refutation
- R(h);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- R(h);::QAR1(J)
- S(f);::QAR1(J)
- S(g);N_GUARD::R(F),XB(e)
- Refutation
- R(h);
- Try
- B(G);XP(c)
- Threat
- QAR1(J)
- Vars
- K(d);P-FLIGHT,P_SPINS(f)::QAB1(J)
- S(g);N_GUARD::R(F),XB(e)
- Refutation
- R(h);
- Try
- Q(J);CHECK,XS(f)
- Vars
- S(g);SBLOCK,XQ(J)::R(F),XB(e)
- Refutation
- K(d);N_SPINB(e),S_FLIGHT,XQ(J)
- Try
- Q(J);
- Threat
- DUALS(3)
- Vars
- R(h);::QAB1(J)
- S(f);::QAR(J)+B(G),XS(f)
- Refutation
- S(f);N_SPINB(e),XR(F)
- Try
- P(H);
- Threat
- S(C)
- Vars
- S(g);N_GUARD::R(F),XB(e)
- Refutation
- R(h);XP(H)
- Try
- P(I);
- Threat
- DUALS(3)
- Vars
- P(a);N_GUARD::S(C)
- Refutation
- R(h);XQ(I)
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- P(a);N_GUARD::S(C)
- R(h);::S(I)
- Refutation
- R(h);XS(I)
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- P(a);N_GUARD::S(C)
- R(h);::B(I)
- S(f);OGATE::QAR1(J)
- Refutation
- R(h);XB(I)
- Try
- Actual
- S(C);P_SPINB(B),XP(c)
- Threat
- B(B)
- Vars
- S(f);OGATE,XS(C)::QAR1(J)
- S(f);N_SPINB(e),OGATE,XR(F)::QAR1(J)
- P(a);N_PINB(B)::B(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).