MESON Chess Problem Database
Problem Display
PID: 93388 (8/8/8/8/1Q6/2pkb3/R7/K3R3 w - - 0 1)
Kuznetsov, Aleksandr Petrovich
Shakhmaty v SSSR, 1946-1947
#2
4 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Qe4#
- 1...Bg1
- 2.Qe4#
- 1...Bd2
- 2.Qe4#
- 1...Bf2
- 2.Qe4#
- 1...Bd4
- 2.Qb5#
- 1...Bf4
- 2.Qe4#
- 1...Bc5
- 2.Qe4#
- 1...Bg5
- 2.Qe4#
- 1...Bb6
- 2.Qe4#
- 1...Bh6
- 2.Qe4#
- 1...Ba7
- 2.Qe4#
- 1...c2
- 2.Ra3#
- 1...Bc1
- Tries
- 1.Kb1?
- 1...Bc1
- 2.Qe4#
- 1...Bg1
- 2.Qe4#
- 1...Bd2
- 2.Qe4#
- 1...Bf2
- 2.Qe4#
- 1...Bd4
- 2.Qb5#
- 1...Bf4
- 2.Qe4#
- 1...Bc5
- 2.Qe4#
- 1...Bg5
- 2.Qe4#
- 1...Bb6
- 2.Qe4#
- 1...Bh6
- 2.Qe4#
- 1...Ba7
- 2.Qe4#
- 1...c2+!
- 1...Bc1
- 1.Ree2?
- 1...Bd2
- 2.Qe4#
- 1...Bc1
- 2.Qe4#
- 1...Bg1
- 2.Qe4#
- 1...Bf2
- 2.Qe4#
- 1...Bd4
- 2.Qb5#
- 1...Bf4
- 2.Qe4#
- 1...Bc5
- 2.Qe4#
- 1...Bg5
- 2.Qe4#
- 1...Bb6
- 2.Qe4#
- 1...Bh6
- 2.Qe4#
- 1...Ba7
- 2.Qe4#
- 1...c2!
- 1...Bd2
- 1.Rb2?
- 1...Bc1
- 2.Qe4#
- 1...Bg1
- 2.Qe4#
- 1...Bd2
- 2.Qe4#
- 1...Bf2
- 2.Qe4#
- 1...Bd4
- 2.Qb5#
- 1...Bf4
- 2.Qe4#
- 1...Bc5
- 2.Qe4#
- 1...Bg5
- 2.Qe4#
- 1...Bb6
- 2.Qe4#
- 1...Bh6
- 2.Qe4#
- 1...Ba7
- 2.Qe4#
- 1...c2
- 2.Rb3#
- 1...cxb2+!
- 1...Bc1
- 1.Ra3?
- 1...Kc2
- 2.Qxc3#
- 1...Kd2
- 2.Qxc3#
- 1...Bc1
- 2.Qxc3#
- 1...Bg1
- 2.Qxc3#
- 1...Bd2
- 2.Qe4#
- 1...Bf2
- 2.Qxc3#
- 1...Bf4
- 2.Qxc3#
- 1...Bc5
- 2.Qxc3#
- 1...Bg5
- 2.Qxc3#
- 1...Bb6
- 2.Qxc3#
- 1...Bh6
- 2.Qxc3#
- 1...Ba7
- 2.Qxc3#
- 1...Bd4!
- 1...Kc2
- 1.Qa4?
- 1...Bc1
- 2.Qe4#
- 1...Bg1
- 2.Qe4#
- 1...Bd2
- 2.Qe4#
- 1...Bf2
- 2.Qe4#
- 1...Bd4
- 2.Qb5#
- 2.Qa6#
- 1...Bf4
- 2.Qe4#
- 1...Bc5
- 2.Qe4#
- 1...Bg5
- 2.Qe4#
- 1...Bb6
- 2.Qe4#
- 1...Bh6
- 2.Qe4#
- 1...Ba7
- 2.Qe4#
- 1...c2!
- 1...Bc1
- 1.Qb5+?
- 1...Kd4
- 2.Ra4#
- 1...Ke4!
- 1...Kd4
- 1.Kb1?
- Keys
- 1.Rae2!
- 1...Bd2
- 2.Qe4#
- 1...Bc1
- 2.Qe4#
- 1...Bg1
- 2.Qe4#
- 1...Bf2
- 2.Qe4#
- 1...Bd4
- 2.Qb5#
- 1...Bf4
- 2.Qe4#
- 1...Bc5
- 2.Qe4#
- 1...Bg5
- 2.Qe4#
- 1...Bb6
- 2.Qe4#
- 1...Bh6
- 2.Qe4#
- 1...Ba7
- 2.Qe4#
- 1...c2
- 2.Rxe3#
- 1...Bd2
- 1.Rae2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(c);::QAB1(D)
- B(c);SBLOCK::QAB(D)
- P(a);OGATEB,SBLOCK::R(C)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- B(c);::QAB1(D)
- B(c);SBLOCK::QAB(D)
- Refutation
- P(a);CHECK
- Try
- R(B);
- Vars
- B(c);::QAB1(D)
- B(c);SBLOCK::QAB(D)
- Refutation
- P(a);
- Try
- R(C);
- Vars
- B(c);::QAB1(D)
- B(c);SBLOCK::QAB(D)
- P(a);OGATEB,SBLOCK::R(C)
- Refutation
- P(a);CHECK,XR(C)
- Try
- R(C);P_PINP(a)
- Vars
- K(b);N_SPINP(a),S_FLIGHT::QAR1(D),XP(a)
- K(b);P-FLIGHT::QAB1(D),XP(a)
- B(c);::QAR1(D),XP(a)
- B(c);SBLOCK::QAB1(D)
- Refutation
- B(c);
- Try
- Q(D);
- Vars
- B(c);::QAB1(D)
- Refutation
- P(a);
- Try
- Q(D);CHECK
- Vars
- K(b);P-FLIGHT::R(C)
- Refutation
- K(b);P_SPINB(c),S_FLIGHT
- Try
- Actual
- R(C);
- Vars
- B(c);::QAB1(D)
- B(c);SBLOCK::QAB(D)
- P(a);SBLOCK::R1(C),XB(c)
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).