MESON Chess Problem Database
Problem Display
PID: 246614 (6R1/8/B7/2NpP3/1Q1b3p/K1R1Bk1p/7P/8 w - - 0 1)
Chepizhni, Viktor Ivanovich
Moscow Ty., 2010
#2
9 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bxc3
- 2.Qf4#
- 1...Bxc5
- 2.Bxc5#
- 1...Bxe5
- 2.Qg4#
- 1...Bxc3
- Tries
- 1.Ka2?
- 1...Bxc3
- 2.Qf4#
- 1...Bxc5
- 2.Bxc5#
- 2.Qf4#
- 2.Qg4#
- 1...Bxe5
- 2.Qg4#
- 1...Bxe3!
- 1...Bxc3
- 1.Kb3?
- 1...Bxc3
- 2.Qf4#
- 1...Bxc5
- 2.Bxc5#
- 2.Qf4#
- 2.Qg4#
- 1...Bxe5
- 2.Qg4#
- 1...Bxe3!
- 1...Bxc3
- 1.Ka4?
- 1...Bxc3
- 2.Qf4#
- 1...Bxc5
- 2.Bxc5#
- 2.Qf4#
- 2.Qg4#
- 1...Bxe5
- 2.Qg4#
- 1...Bxe3!
- 1...Bxc3
- 1.Se6?
- 1...Bxc3
- 2.Qf4#
- 1...Bxe3
- 2.Qf4#
- 1...Bxe5
- 2.Qg4#
- 1...Bc5
- 2.Bxc5#
- 1...Bb6
- 2.Bc5#
- 2.Bxb6#
- 2.Qf4#
- 2.Qg4#
- 1...Ba7
- 2.Bc5#
- 2.Bb6#
- 2.Bxa7#
- 2.Qf4#
- 2.Qg4#
- 1...Ke4!
- 1...Bxc3
- 1.Bg1+?
- 1...Bxc3
- 2.Qg4#
- 1...Be3
- 2.Rxe3#
- 2.Qg4#
- 1...Kf4!
- 1...Bxc3
- 1.Bd2+?
- 1...Kf2
- 2.Qxd4#
- 1...Bxc3
- 2.Qf4#
- 1...Be3!
- 1...Kf2
- 1.Bh6+?
- 1...Bxc3
- 2.Qf4#
- 1...Be3
- 2.Qf4#
- 1...Kf2!
- 1...Bxc3
- 1.Bb5?
- 1...Bxc3
- 2.Qf4#
- 1...Bxc5
- 2.Bxc5#
- 1...Bxe5
- 2.Qg4#
- 1...Bxe3!
- 1...Bxc3
- 1.Rg1?
- 1...Bxc3
- 2.Qf4#
- 1...Bxc5
- 2.Bxc5#
- 1...Bxe5
- 2.Qg4#
- 1...Bxe3!
- 1...Bxc3
- 1.Rg5?
- 1...Bxc3
- 2.Qf4#
- 1...Bxc5
- 2.Bxc5#
- 1...Bxe5
- 2.Qg4#
- 1...Bxe3!
- 1...Bxc3
- 1.Rg6?
- 1...Bxc3
- 2.Qf4#
- 1...Bxc5
- 2.Bxc5#
- 1...Bxe5
- 2.Qg4#
- 1...Bxe3!
- 1...Bxc3
- 1.Rg7?
- 1...Bxc3
- 2.Qf4#
- 1...Bxc5
- 2.Bxc5#
- 1...Bxe5
- 2.Qg4#
- 1...Bxe3!
- 1...Bxc3
- 1.Rf8+?
- 1...Kg4
- 2.Be2#
- 1...Kg2!
- 1...Kg4
- 1.Qa4?
- threat
- 2.Qd1#
- 1...Bxc5+
- 2.Bxc5#
- 1...Bxc3
- 2.Qf4#
- 1...Bxe3!
- threat
- 1.Qc4?
- threat
- 2.Qf1#
- 2.Qe2#
- 2.Qxd5#
- 1...Bxc5+
- 2.Bxc5#
- 1...Bxc3
- 2.Qe2#
- 2.Qf4#
- 1...Bxe3
- 2.Qf1#
- 1...dxc4!
- threat
- 1.Qb5?
- threat
- 2.Qf1#
- 2.Qe2#
- 1...Bxc3
- 2.Qe2#
- 1...Bxe3
- 2.Qf1#
- 1...Bxc5+!
- threat
- 1.Ka2?
- Keys
- 1.Bf1!
- 1...Bxc3
- 2.Qf4#
- 1...Bxe3
- 2.Rf8#
- 1...Bxc5
- 2.Bxc5#
- 1...Bxe5
- 2.Qg4#
- 1...Bxc3
- 1.Bf1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(c);OGATE,XR(C)::QAR1(E)
- B(c);OGATE,P_PINQ(E),XS(F)::R(C)+B(D),XB(c)
- B(c);OGATE,XP(G)::QAB1(E)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- B(c);OGATE,XR(C)::QAR1(E)
- B(c);OGATE,XP(G)::QAB1(E)
- Refutation
- B(c);P_SPINB(c),XB(D)
- Try
- K(B);P-FLIGHT
- Vars
- B(c);OGATE,XR(C)::QAR1(E)
- B(c);OGATE,XP(G)::QAB1(E)
- Refutation
- B(c);P_SPINB(c),XB(D)
- Try
- K(B);P-FLIGHT
- Vars
- B(c);OGATE,XR(C)::QAR1(E)
- B(c);OGATE,XP(G)::QAB1(E)
- Refutation
- B(c);P_SPINB(c),XB(D)
- Try
- S(F);
- Vars
- B(c);OGATE,XR(C)::QAR1(E)
- B(c);OGATE,P_SPINB(c),XB(D)::QAR1(E)
- B(c);OGATE,XP(G)::QAB1(E)
- B(c);OGATE,P_PINQ(E)::R(C)+B(D),XB(c)
- Refutation
- K(a);P_SPINB(c),S_FLIGHT
- Try
- B(D);CHECK
- Vars
- B(c);OGATE,XR(C)::QAB1(E)
- Refutation
- K(a);P-FLIGHT,P_SPINB(c)
- Try
- B(D);CHECK
- Vars
- K(a);P-FLIGHT::QAB(E),XB(c)
- B(c);OGATE,XR(C)::QAR1(E)
- Refutation
- B(c);P_SPINB(c)
- Try
- B(D);CHECK
- Vars
- B(c);OGATE,XR(C)::QAR1(E)
- B(c);OGATE,P_SPINB(c)::QAR1(E)
- Refutation
- K(a);P-FLIGHT
- Try
- B(H);
- Vars
- B(c);OGATE,XR(C)::QAR1(E)
- B(c);OGATE,P_PINQ(E),XS(F)::R(C)+B(D),XB(c)
- B(c);OGATE,XP(G)::QAB1(E)
- Refutation
- B(c);P_SPINB(c),XB(D)
- Try
- R(I);
- Vars
- B(c);OGATE,XR(C)::QAR1(E)
- B(c);OGATE,P_PINQ(E),XS(F)::R(C)+B(D),XB(c)
- B(c);OGATE,XP(G)::QAB1(E)
- Refutation
- B(c);P_SPINB(c),XB(D)
- Try
- R(I);
- Vars
- B(c);OGATE,XR(C)::QAR1(E)
- B(c);OGATE,P_PINQ(E),XS(F)::R(C)+B(D),XB(c)
- B(c);OGATE,XP(G)::QAB1(E)
- Refutation
- B(c);P_SPINB(c),XB(D)
- Try
- R(I);
- Vars
- B(c);OGATE,XR(C)::QAR1(E)
- B(c);OGATE,P_PINQ(E),XS(F)::R(C)+B(D),XB(c)
- B(c);OGATE,XP(G)::QAB1(E)
- Refutation
- B(c);P_SPINB(c),XB(D)
- Try
- R(I);
- Vars
- B(c);OGATE,XR(C)::QAR1(E)
- B(c);OGATE,P_PINQ(E),XS(F)::R(C)+B(D),XB(c)
- B(c);OGATE,XP(G)::QAB1(E)
- Refutation
- B(c);P_SPINB(c),XB(D)
- Try
- R(I);CHECK
- Vars
- K(a);P_SPINB(c),S_FLIGHT::B(H)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(E);
- Threat
- QAB(E)
- Vars
- B(c);CHECK,OGATE,XS(F)::R(C)+B(D),XB(c)
- B(c);OGATE,XR(C)::QAR1(E)
- Refutation
- B(c);P_SPINB(c),XB(D)
- Try
- Q(E);
- Threat
- DUALS(3)
- Vars
- B(c);CHECK,OGATE,XS(F)::R(C)+B(D),XB(c)
- B(c);P_SPINB(c),XB(D)::QAR2(E)
- Refutation
- P(e);XQ(E)
- Try
- Q(E);
- Threat
- DUALS(2)
- Vars
- B(c);XR(C)::QAB1(E)
- B(c);P_SPINB(c),XB(D)::QAR2(E)
- Refutation
- B(c);CHECK,XS(F)
- Try
- Actual
- B(H);
- Vars
- B(c);OGATE,XR(C)::QAR1(E)
- B(c);P_SPINB(c),XB(D)::R(I)
- B(c);OGATE,P_PINQ(E),XS(F)::R(C)+B(D),XB(c)
- B(c);OGATE,XP(G)::QAB1(E)
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).