MESON Chess Problem Database
Problem Display
PID: 111166 (8/b7/4R3/p1kp4/p1b5/p1R5/N2K4/1Q6 w - - 0 1)
Chernyavsky, Mykola Vasilovich
Shedey, Sergey Oleksandrovich
Chervoni Girnik, 1974
#2
5 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Qg1#
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qb6#
- 1...d4
- 2.Qf5#
- 1...Kd4
- Tries
- 1.Kc1?
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qb6#
- 1...d4
- 2.Qf5#
- 1...Kd4!
- 1...Bb6
- 1.Kd1?
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qb6#
- 1...d4
- 2.Qf5#
- 1...Kd4!
- 1...Bb6
- 1.Ke1?
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qb6#
- 1...d4
- 2.Qf5#
- 1...Kd4!
- 1...Bb6
- 1.Kc2?
- 1...Kd4
- 2.Qg1#
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qb6#
- 1...d4!
- 1...Kd4
- 1.Ke3?
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qb6#
- 1...d4+!
- 1...Bb6
- 1.Rc1?
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qb6#
- 1...d4
- 2.Qf5#
- 1...Kd4!
- 1...Bb6
- 1.Rc2?
- 1...Kd4
- 2.Qg1#
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qb6#
- 1...d4!
- 1...Kd4
- 1.Ra6?
- 1...Bb6
- 2.Qxb6#
- 1...d4
- 2.Qf5#
- 1...Bb8
- 2.Qb6#
- 1...Kd4!
- 1...Bb6
- 1.Rf6?
- 1...d4
- 2.Qf5#
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qb6#
- 1...Kd4!
- 1...d4
- 1.Rg6?
- 1...d4
- 2.Qf5#
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qb6#
- 1...Kd4!
- 1...d4
- 1.Rh6?
- 1...d4
- 2.Qf5#
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qb6#
- 1...Kd4!
- 1...d4
- 1.Qg1+?
- 1...d4
- 2.Qg5#
- 1...Kb5!
- 1...d4
- 1.Qb4+?
- 1...Kd4
- 2.Rd3#
- 1...axb4!
- 1...Kd4
- 1.Qb8?
- 1...Kd4
- 2.Qxa7#
- 1...Bb6
- 2.Qxb6#
- 1...d4
- 2.Qe5#
- 1...Bxb8!
- 1...Kd4
- 1.Kc1?
- Keys
- 1.Qb7!
- 1...Kd4
- 2.Qxa7#
- 1...Bb6
- 2.Qxb6#
- 1...Bb8
- 2.Qb6#
- 1...d4
- 2.Qc6#
- 1...Kd4
- 1.Qb7!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(e);N_SPINB(c),S_FLIGHT::QAB(A)
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);N_GUARD::QAB1(A)
- P(f);OGATEB,SBLOCK::QAR(A)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);N_GUARD::QAB1(A)
- P(f);OGATEB,SBLOCK::QAR(A)
- Refutation
- K(e);N_SPINB(c),S_FLIGHT
- Try
- K(C);P-FLIGHT
- Vars
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);N_GUARD::QAB1(A)
- P(f);OGATEB,SBLOCK::QAR(A)
- Refutation
- K(e);N_SPINB(c),S_FLIGHT
- Try
- K(C);S_FLIGHT
- Vars
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);N_GUARD::QAB1(A)
- P(f);OGATEB,SBLOCK::QAR(A)
- Refutation
- K(e);N_SPINB(c),S_FLIGHT
- Try
- K(C);P-FLIGHT
- Vars
- K(e);N_SPINB(c),S_FLIGHT::QAB(A)
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);N_GUARD::QAB1(A)
- Refutation
- P(f);
- Try
- K(C);S_FLIGHT
- Vars
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);N_GUARD::QAB1(A)
- Refutation
- P(f);CHECK
- Try
- R(D);
- Vars
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);N_GUARD::QAB1(A)
- P(f);OGATEB,SBLOCK::QAR(A)
- Refutation
- K(e);N_SPINB(c),S_FLIGHT
- Try
- R(D);
- Vars
- K(e);N_SPINB(c),S_FLIGHT::QAB(A)
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);N_GUARD::QAB1(A)
- Refutation
- P(f);
- Try
- R(E);
- Vars
- B(g);N_GUARD::QAB1(A),XB(g)
- P(f);OGATEB,SBLOCK::QAR(A)
- B(g);N_GUARD::QAB1(A)
- Refutation
- K(e);N_SPINB(c),S_FLIGHT
- Try
- R(E);
- Vars
- P(f);OGATEB,SBLOCK::QAR(A)
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);N_GUARD::QAB1(A)
- Refutation
- K(e);N_SPINB(c),S_FLIGHT
- Try
- R(E);
- Vars
- P(f);OGATEB,SBLOCK::QAR(A)
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);N_GUARD::QAB1(A)
- Refutation
- K(e);N_SPINB(c),S_FLIGHT
- Try
- R(E);
- Vars
- P(f);OGATEB,SBLOCK::QAR(A)
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);N_GUARD::QAB1(A)
- Refutation
- K(e);N_SPINB(c),S_FLIGHT
- Try
- Q(A);CHECK
- Vars
- P(f);OGATEB,P_SPINP(f),SBLOCK::QAR(A)
- Refutation
- K(e);N_SPINB(c),P-FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(e);S_FLIGHT::R1(D)
- Refutation
- P(d);XQ(A)
- Try
- Q(A);
- Vars
- K(e);N_SPINB(c),S_FLIGHT::QAB(A),XB(g)
- B(g);N_GUARD::QAB1(A),XB(g)
- P(f);OGATEB::QAR2(A)
- Refutation
- B(g);XQ(A)
- Try
- Actual
- Q(A);
- Vars
- K(e);N_SPINB(c),S_FLIGHT::QAB(A),XB(g)
- B(g);N_GUARD::QAB1(A),XB(g)
- B(g);N_GUARD::QAB1(A)
- P(f);SBLOCK::QAR1(A)
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).