MESON Chess Problem Database
Problem Display
PID: 161610 (2K5/2p5/3k4/1Qn5/4R3/1B6/8/8 w - - 0 1)
Andreev, Aleksandr Grigorevich
Kuban segodniya, 1996
#2
4 + 3
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Re6#
- 2.Qd5#
- 1...Sa4
- 2.Re6#
- 2.Qd5#
- 1...Sa6
- 2.Re6#
- 2.Qd5#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 2.Qd5#
- 1...Sd7
- 2.Re6#
- 2.Qd5#
- 1...c6
- 2.Qb8#
- 1...Sd3
- Tries
- 1.Bc4?
- 1...Se6
- 2.Rxe6#
- 1...Sb3
- 2.Re6#
- 2.Qd5#
- 1...Sd3
- 2.Re6#
- 2.Qd5#
- 1...Sa4
- 2.Re6#
- 2.Qd5#
- 1...Sa6
- 2.Re6#
- 2.Qd5#
- 1...Sb7
- 2.Re6#
- 2.Qd5#
- 1...Sd7
- 2.Re6#
- 2.Qd5#
- 1...c6
- 2.Qb8#
- 1...Sxe4!
- 1...Se6
- 1.Bf7?
- 1...Se6
- 2.Rxe6#
- 1...Sb3
- 2.Re6#
- 2.Qd5#
- 1...Sd3
- 2.Re6#
- 2.Qd5#
- 1...Sa4
- 2.Re6#
- 2.Qd5#
- 1...Sa6
- 2.Re6#
- 2.Qd5#
- 1...Sb7
- 2.Re6#
- 2.Qd5#
- 1...Sd7
- 2.Re6#
- 2.Qd5#
- 1...c6
- 2.Qb8#
- 1...Sxe4!
- 1...Se6
- 1.Bg8?
- 1...Se6
- 2.Rxe6#
- 1...Sb3
- 2.Re6#
- 2.Qd5#
- 1...Sd3
- 2.Re6#
- 2.Qd5#
- 1...Sa4
- 2.Re6#
- 2.Qd5#
- 1...Sa6
- 2.Re6#
- 2.Qd5#
- 1...Sb7
- 2.Re6#
- 2.Qd5#
- 1...Sd7
- 2.Re6#
- 2.Qd5#
- 1...c6
- 2.Qb8#
- 1...Sxe4!
- 1...Se6
- 1.Re5?
- threat
- 2.Qxc5#
- 1...Sxb3
- 2.Qd5#
- 1...Sd3
- 2.Re6#
- 2.Qd5#
- 1...Sa4
- 2.Re6#
- 2.Qd5#
- 1...Se4
- 2.Re6#
- 2.Qd5#
- 1...Sa6
- 2.Re6#
- 2.Qd5#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 2.Qd5#
- 1...Sd7
- 2.Re6#
- 2.Qd5#
- 1...Kxe5!
- threat
- 1.Re8?
- 1...Sd3
- 2.Re6#
- 2.Qd5#
- 1...Sa4
- 2.Re6#
- 2.Qd5#
- 1...Se4
- 2.Re6#
- 2.Qd5#
- 1...Sa6
- 2.Re6#
- 2.Qd5#
- 1...Se6
- 2.Rxe6#
- 2.Qd5#
- 1...Sb7
- 2.Re6#
- 2.Qd5#
- 1...Sd7
- 2.Re6#
- 2.Qd5#
- 1...c6
- 2.Qb8#
- 1...Sxb3!
- 1...Sd3
- 1.Qb6+?
- 1...c6
- 2.Qc7#
- 2.Qb8#
- 1...cxb6!
- 1...c6
- 1.Bc4?
- Keys
- 1.Qc4!
- threat
- 2.Qd5#
- 1...Kc6
- 2.Re6#
- 1...Sxb3
- 2.Re6#
- 1...Sxe4
- 2.Qxc7#
- 1...Se6
- 2.Rxe6#
- 1...c6
- 2.Qd4#
- threat
- 1.Qc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(B),XS(a)
- P(c);OGATEB,SBLOCK::QAB(C)
- Tries
- Try
- B(A);
- Vars
- S(a);N_GUARD::R1(B),XS(a)
- P(c);OGATEB,SBLOCK::QAB(C)
- Refutation
- S(a);XR(B)
- Try
- B(A);
- Vars
- S(a);N_GUARD::R1(B),XS(a)
- P(c);OGATEB,SBLOCK::QAB(C)
- Refutation
- S(a);XR(B)
- Try
- B(A);
- Vars
- S(a);N_GUARD::R1(B),XS(a)
- P(c);OGATEB,SBLOCK::QAB(C)
- Refutation
- S(a);XR(B)
- Try
- R(B);
- Threat
- QAB1(C),XS(a)
- Vars
- S(a);OGATE,XB(A)::QAR1(C)
- S(a);N_GUARD::R1(B),XS(a)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT,XR(B)
- Try
- R(B);
- Vars
- P(c);OGATEB,SBLOCK::QAB(C)
- Refutation
- S(a);XB(A)
- Try
- Q(C);CHECK
- Refutation
- P(c);XQ(C)
- Try
- Actual
- Q(C);
- Threat
- QAR1(C)
- Vars
- K(b);P-FLIGHT,P_SPINS(a)::R(B)
- S(a);N_GUARD,XB(A)::R1(B)
- S(a);OGATE,XR(B)::QAB1(C),XP(c)
- S(a);N_GUARD::R1(B),XS(a)
- P(c);SBLOCK::QAR2(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).