MESON Chess Problem Database
Problem Display
PID: 238203 (8/8/Q4P2/2bkp1N1/6K1/8/8/2R2B2 w - - 0 1)
Murashev, Pavel Aleksandrovich
Kudesnik, 2011
#2
6 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Qd3#
- 1...Ba3
- 2.Qd3#
- 1...Bb4
- 2.Qd3#
- 1...Bd4
- 2.Qc6#
- 2.Qe6#
- 1...Bd6
- 2.Qd3#
- 2.Qc4#
- 1...Be7
- 2.Qd3#
- 1...Bf8
- 2.Qd3#
- 1...Kd4
- Tries
- 1.Sf3?
- 1...Ke4
- 2.Qd3#
- 1...Bd6
- 2.Qc4#
- 1...Bg1
- 2.Qc6#
- 1...Bf2
- 2.Qc6#
- 1...Ba3
- 2.Qc6#
- 1...Be3
- 2.Qc6#
- 1...Bb4
- 2.Qc6#
- 1...Bd4
- 2.Qc6#
- 1...Ba7
- 2.Qc6#
- 1...Be7
- 2.Qc6#
- 1...Bf8
- 2.Qc6#
- 1...e4
- 2.Bc4#
- 1...Bb6!
- 1...Ke4
- 1.Se6?
- 1...Ke4
- 2.Qd3#
- 1...Bd6
- 2.Qc4#
- 1...Bg1
- 2.Qc6#
- 1...Bf2
- 2.Qc6#
- 1...Ba3
- 2.Qc6#
- 1...Be3
- 2.Qc6#
- 1...Bb4
- 2.Qc6#
- 1...Bd4
- 2.Qc6#
- 1...Ba7
- 2.Qc6#
- 1...Be7
- 2.Qc6#
- 1...Bf8
- 2.Qc6#
- 1...e4
- 2.Rxc5#
- 1...Bb6!
- 1...Ke4
- 1.Sf7?
- 1...Kd4
- 2.Qd3#
- 1...Ke4
- 2.Qd3#
- 1...Bb6
- 2.Qc4#
- 1...Bd6
- 2.Qc4#
- 1...Bg1
- 2.Qc4#
- 1...Bf2
- 2.Qc4#
- 1...Ba3
- 2.Qc4#
- 1...Be3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bd4
- 2.Qc6#
- 1...Ba7
- 2.Qc4#
- 1...Be7
- 2.Qc4#
- 1...Bf8
- 2.Qc4#
- 1...e4!
- 1...Kd4
- 1.Rc4?
- threat
- 2.Qe6#
- 1...Bd6
- 2.Qb7#
- 2.Qc6#
- 2.Qa8#
- 1...Bb6!
- threat
- 1.Qb5?
- threat
- 2.Rd1#
- 2.Qxc5#
- 1...Kd4
- 2.Qd3#
- 2.Qxc5#
- 1...e4
- 2.Qxc5#
- 1...Kd6!
- threat
- 1.Qb7+?
- 1...Kd4
- 2.Qe4#
- 1...Kd6!
- 1...Kd4
- 1.Qb6?
- threat
- 2.Qxc5#
- 1...Kd4
- 2.Qxc5#
- 1...Bg1
- 2.Bc4#
- 2.Qd8#
- 1...Bf2
- 2.Bc4#
- 2.Qd8#
- 1...Ba3
- 2.Bc4#
- 2.Rd1#
- 1...Be3
- 2.Bc4#
- 2.Qd8#
- 1...Bb4
- 2.Bc4#
- 1...Bd4
- 2.Bc4#
- 2.Qd8#
- 2.Qc6#
- 2.Qe6#
- 1...Bd6
- 2.Bc4#
- 2.Rd1#
- 1...Be7
- 2.Bc4#
- 2.Rd1#
- 1...Bf8
- 2.Bc4#
- 2.Rd1#
- 1...Bxb6!
- threat
- 1.Qc6+?
- 1...Kd4
- 2.Qe4#
- 2.Qxc5#
- 1...Kxc6!
- 1...Kd4
- 1.Qa8+?
- 1...Kd4
- 2.Qe4#
- 1...Kd6!
- 1...Kd4
- 1.Sf3?
- Keys
- 1.Se4!
- 1...Kd4
- 2.Qd3#
- 1...Kxe4
- 2.Qd3#
- 1...Bb6
- 2.Qc4#
- 1...Bd6
- 2.Qc4#
- 1...Bg1
- 2.Qc4#
- 1...Bf2
- 2.Qc4#
- 1...Ba3
- 2.Qc4#
- 1...Be3
- 2.Qc4#
- 1...Bb4
- 2.Qc4#
- 1...Bd4
- 2.Qc6#
- 1...Ba7
- 2.Qc4#
- 1...Be7
- 2.Qc4#
- 1...Bf8
- 2.Qc4#
- 1...Kd4
- 1.Se4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 4
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- K(b);P-FLIGHT::QAR1(E)
- B(a);N_GUARD::QAR2(E)
- Tries
- Try
- S(D);
- Vars
- K(b);S_FLIGHT::QAB1(E)
- B(a);SBLOCK::QAB1(E)
- B(a);::QAB1(E)
- P(c);SBLOCK::B(B)
- Refutation
- B(a);
- Try
- S(D);
- Vars
- K(b);S_FLIGHT::QAB1(E)
- B(a);SBLOCK::QAB1(E)
- B(a);::QAB1(E)
- P(c);SBLOCK::R1(A),XB(a)
- Refutation
- B(a);
- Try
- S(D);
- Vars
- K(b);P-FLIGHT::QAR1(E)
- K(b);S_FLIGHT::QAB1(E)
- B(a);::QAB1(E)
- B(a);SBLOCK::QAB1(E)
- Refutation
- P(c);
- Try
- R(A);
- Threat
- QAB1(E)
- Refutation
- B(a);
- Try
- Q(E);P_PINB(a)
- Threat
- DUALS(2)
- Vars
- P(c);::QAR1(E),XB(a)
- Refutation
- K(b);N_SPINB(a),P-FLIGHT
- Try
- Q(E);CHECK
- Vars
- K(b);OGATE,P-FLIGHT::QAR1(E)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(E);
- Threat
- QAR1(E),XB(a)
- Vars
- K(b);P-FLIGHT,P_SPINB(a)::QAB1(E),XB(a)
- B(a);::B(B)
- Refutation
- B(a);XQ(E)
- Try
- Q(E);CHECK
- Refutation
- K(b);P_SPINB(a),S_FLIGHT,XQ(E)
- Try
- Q(E);CHECK
- Vars
- K(b);OGATE,P-FLIGHT::QAR1(E)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- S(D);
- Vars
- K(b);P-FLIGHT::QAR1(E)
- K(b);S_FLIGHT,XS(D)::QAB1(E)
- B(a);::QAB1(E)
- B(a);SBLOCK::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).