MESON Chess Problem Database
Problem Display
PID: 49247 (8/8/8/5RR1/3Kp3/7b/Q7/7k w - - 0 1)
Chepizhni, Viktor Ivanovich
Sp. Prize, Shakhmaty v SSSR, 1987
#2
4 + 3
| 5159 | FIDE Album (1986-1988) (Annexe) | 1996 |
| 6167 | Viktor Chepizhny | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Bf1
- 2.Rxf1#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bxf5
- 2.Qg2#
- 1...Bf1
- Tries
- 1.Kc3?
- 1...Bxf5
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...e3!
- 1...Bxf5
- 1.Kc4?
- 1...Bf1+
- 2.Rxf1#
- 1...Bxf5
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...e3!
- 1...Bf1+
- 1.Kxe4?
- 1...Bg2+
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...Bxf5+!
- 1...Bg2+
- 1.Kc5?
- 1...Bxf5
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...e3!
- 1...Bxf5
- 1.Kd5?
- 1...Bxf5
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...e3!
- 1...Bxf5
- 1.Ke5?
- 1...Bxf5
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...e3!
- 1...Bxf5
- 1.Rf2?
- threat
- 2.Rh2#
- 1...Bg4
- 2.Rf1#
- 1...Bg2!
- threat
- 1.Rf3?
- threat
- 2.Rxh3#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...Bf5
- 2.Rf1#
- 2.Qg2#
- 1...Be6
- 2.Rf1#
- 2.Qg2#
- 1...Bd7
- 2.Rf1#
- 2.Qg2#
- 1...Bc8
- 2.Rf1#
- 2.Qg2#
- 1...exf3!
- threat
- 1.Rf4?
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...Bf5
- 2.Rf1#
- 2.Qg2#
- 1...Be6
- 2.Rf1#
- 2.Qg2#
- 1...Bd7
- 2.Rf1#
- 2.Qg2#
- 1...Bc8
- 2.Rf1#
- 2.Qg2#
- 1...e3!
- 1...Bg2
- 1.Rf6?
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...Bf5
- 2.Qg2#
- 1...Be6
- 2.Rf1#
- 2.Qg2#
- 1...Bd7
- 2.Rf1#
- 2.Qg2#
- 1...Bc8
- 2.Rf1#
- 2.Qg2#
- 1...e3!
- 1...Bg2
- 1.Rf7?
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...Bf5
- 2.Qg2#
- 1...Be6
- 2.Rf1#
- 2.Qg2#
- 1...Bd7
- 2.Rf1#
- 2.Qg2#
- 1...Bc8
- 2.Rf1#
- 2.Qg2#
- 1...e3!
- 1...Bg2
- 1.Rf8?
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...Bf5
- 2.Qg2#
- 1...Be6
- 2.Rf1#
- 2.Qg2#
- 1...Bd7
- 2.Rf1#
- 2.Qg2#
- 1...Bc8
- 2.Rf1#
- 2.Qg2#
- 1...e3!
- 1...Bg2
- 1.Rg3?
- 1...Bxf5
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bf1
- 2.Rxf1#
- 1...Bg4
- 2.Rf1#
- 2.Qg2#
- 1...e3!
- 1...Bxf5
- 1.Rg4?
- 1...Bxg4
- 2.Rf1#
- 1...Bg2
- 2.Qxg2#
- 1...Bf1
- 2.Rxf1#
- 1...e3!
- 1...Bxg4
- 1.Rg6?
- 1...Bxf5
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...e3!
- 1...Bxf5
- 1.Rg7?
- 1...Bxf5
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...e3!
- 1...Bxf5
- 1.Rg8?
- 1...Bxf5
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...e3!
- 1...Bxf5
- 1.Qb1+?
- 1...Kh2
- 2.Qg1#
- 1...Bf1!
- 1...Kh2
- 1.Qa1+?
- 1...Kh2
- 2.Qg1#
- 1...Bf1!
- 1...Kh2
- 1.Qb2?
- 1...Bxf5
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...e3!
- 1...Bxf5
- 1.Qc2?
- 1...Bxf5
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...e3!
- 1...Bxf5
- 1.Qd2?
- 1...Bxf5
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...e3!
- 1...Bxf5
- 1.Qe2?
- 1...Bxf5
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...e3!
- 1...Bxf5
- 1.Qf2?
- threat
- 2.Rg1#
- 2.Qg1#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4!
- threat
- 1.Kc3?
- Keys
- 1.Ke3!
- 1...Bxf5
- 2.Qg2#
- 1...Bg2
- 2.Qxg2#
- 1...Bg4
- 2.Rf1#
- 1...Bf1
- 2.Rxf1#
- 1...Bxf5
- 1.Ke3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(b);N_GUARD::R(C),XB(b)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD,XR(C)::QAB1(A)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- B(b);N_GUARD,XR(C)::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);
- Try
- K(B);P-FLIGHT
- Vars
- B(b);CHECK,N_GUARD::R(C),XB(b)
- B(b);N_GUARD,XR(C)::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- Refutation
- P(c);
- Try
- K(B);P-FLIGHT,XP(c)
- Vars
- B(b);CHECK,N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- B(b);CHECK,XR(C)
- Try
- K(B);S_FLIGHT
- Vars
- B(b);N_GUARD,XR(C)::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);
- Try
- K(B);P-FLIGHT
- Vars
- B(b);N_GUARD,XR(C)::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);
- Try
- K(B);S_FLIGHT
- Vars
- B(b);N_GUARD,XR(C)::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);
- Try
- R(C);
- Threat
- R1(C)
- Vars
- B(b);N_GUARD::R(C)
- Refutation
- B(b);
- Try
- R(C);
- Threat
- R(C),XB(b)
- Vars
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);XR(C)
- Try
- R(C);
- Vars
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);
- Try
- R(C);
- Vars
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- B(b);N_GUARD::QAB1(A)
- Refutation
- P(c);
- Try
- R(C);
- Vars
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- B(b);N_GUARD::QAB1(A)
- Refutation
- P(c);
- Try
- R(C);
- Vars
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- B(b);N_GUARD::QAB1(A)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- B(b);N_GUARD,XR(C)::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- B(b);N_GUARD,XR(D)::R(C)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- B(b);N_GUARD,XR(C)::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- B(b);N_GUARD,XR(C)::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- B(b);N_GUARD,XR(C)::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);
- Try
- Q(A);CHECK
- Vars
- K(a);P-FLIGHT::QAB1(A)
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(A);CHECK
- Vars
- K(a);P-FLIGHT::QAB1(A)
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(A);
- Vars
- B(b);N_GUARD,XR(C)::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- B(b);N_GUARD,XR(C)::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- B(b);N_GUARD,XR(C)::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- B(b);N_GUARD,XR(C)::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(b)
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(b);N_GUARD::QAB1(A),XB(b)
- Refutation
- B(b);
- Try
- Actual
- K(B);S_FLIGHT
- Vars
- B(b);N_GUARD,XR(C)::QAB1(A)
- B(b);N_GUARD::QAB1(A),XB(b)
- B(b);N_GUARD::R(C)
- B(b);N_GUARD::R(C),XB(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).