MESON Chess Problem Database
Problem Display
PID: 246680 (8/2Q2p2/5P2/3P1Pp1/3pk1K1/4P3/4R3/2N5 w - - 0 1)
Murashev, Pavel Aleksandrovich
Moscow Ty., 2019
#2
8 + 4
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.e4#
- 1...Kxd5
- Tries
- 1.Sa2?
- 1...Kd3
- 2.Qc2#
- 1...Kxd5
- 2.e4#
- 1...d3
- 2.Sc3#
- 1...dxe3!
- 1...Kd3
- 1.Rd2?
- 1...Kxe3
- 2.Re2#
- 1...Kxd5
- 2.Rxd4#
- 1...dxe3
- 2.Qe7#
- 1...d3!
- 1...Kxe3
- 1.Qc5?
- threat
- 2.Qxd4#
- 2.exd4#
- 1...dxe3
- 2.Rxe3#
- 1...d3
- 2.Qd4#
- 1...Ke5!
- threat
- 1.Qxf7?
- threat
- 2.Qe6#
- 1...Ke5
- 2.Qe6#
- 1...dxe3!
- threat
- 1.exd4+?
- 1...Kxd5
- 2.Qc5#
- 1...Kxd4!
- 1...Kxd5
- 1.Sa2?
- Keys
- 1.Sd3!
- 1...Kxd3
- 2.Qc2#
- 1...Kxd5
- 2.e4#
- 1...dxe3
- 2.Qc4#
- 1...Kxd3
- 1.Sd3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);OGATE,S_FLIGHT,XP(E)::P(C)
- Tries
- Try
- S(A);
- Vars
- K(b);S_FLIGHT::QAB1(H)
- K(b);OGATE,S_FLIGHT,XP(E)::P(C)
- P(a);N_GUARD,SBLOCK::S(A)
- Refutation
- P(a);P_SPINP(a),XP(C)
- Try
- R(B);
- Vars
- K(b);OGATEB,P-FLIGHT,XP(C)::R1(B)
- K(b);P_SPINP(a),S_FLIGHT,XP(E)::R1(B),XP(a)
- P(a);SBLOCK,XP(C)::QAR(H)
- Refutation
- P(a);
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- P(a);OGATE,P_SPINP(a),XP(C)::R1(B),XP(a)
- P(a);::QAR1(H)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(H);XP(d)
- Threat
- QAR2(H)
- Vars
- K(b);P-FLIGHT::QAR1(H)
- Refutation
- P(a);P_SPINP(a),XP(C)
- Try
- P(C);CHECK,XP(a)
- Vars
- K(b);S_FLIGHT,XP(E)::QAR1(H)
- Refutation
- K(b);P-FLIGHT,XP(C)
- Try
- Actual
- S(A);
- Vars
- K(b);OGATEB,S_FLIGHT,XS(A)::QAB1(H)
- K(b);OGATE,S_FLIGHT,XP(E)::P(C)
- P(a);OGATEB,P_SPINP(a),XP(C)::QAR2(H)
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).