MESON Chess Problem Database
Problem Display
PID: 236990 (3N2B1/5R2/2p3p1/2PPP1Pp/1P2kp1P/1R2pN1K/Q1P1p3/4B3 w - - 0 1)
Erokhin, Vladimir Alekseevich
Szachy, 1981
#2
15 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Kxd5
- 2.Rxe3#
- 2.Rxf4#
- 1...Kxd5
- Tries
- 1.Kg2?
- 1...Kxd5
- 2.Rxe3#
- 2.Rxf4#
- 1...cxd5!
- 1...Kxd5
- 1.Bg3?
- threat
- 2.Rxf4#
- 1...Kxf3
- 2.Rxf4#
- 1...Kxd5
- 2.Rxe3#
- 2.Rxf4#
- 1...fxg3!
- threat
- 1.Rd3?
- 1...cxd5
- 2.Qxd5#
- 1...Kxf3!
- 1...cxd5
- 1.Rxe3+?
- 1...fxe3
- 2.Qc4#
- 1...Kxe3!
- 1...fxe3
- 1.Qa3?
- 1...Kxf3
- 2.Rxe3#
- 1...Kxd5
- 2.Rxf4#
- 1...cxd5!
- 1...Kxf3
- 1.dxc6?
- 1...Kd5
- 2.Rxe3#
- 2.Rxf4#
- 1...Kxf3!
- 1...Kd5
- 1.d6?
- 1...Kd5
- 2.Rxe3#
- 2.Rxf4#
- 1...Kxf3!
- 1...Kd5
- 1.Kg2?
- Keys
- 1.Se6!
- 1...Kxf3
- 2.Rxf4#
- 1...Kxd5
- 2.Rxe3#
- 1...cxd5
- 2.Rxf4#
- 1...Kxf3
- 1.Se6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(F);S_FLIGHT
- Refutation
- P(f);XP(J)
- Try
- B(A);
- Threat
- R1(M),XP(d)
- Vars
- K(c);P_SPINP(b),S_FLIGHT,XS(E)::R1(M),XP(d)
- Refutation
- P(d);XB(A)
- Try
- R(D);
- Vars
- P(f);OGATE,XP(J)::QAB1(B),XP(f)
- Refutation
- K(c);P_SPINP(b),S_FLIGHT,XS(E)
- Try
- R(D);CHECK,XP(b)
- Vars
- P(d);SBLOCK,XR(D)::QAR2(B)
- Refutation
- K(c);P-FLIGHT,XR(D)
- Try
- Q(B);
- Vars
- K(c);P_SPINP(b),S_FLIGHT,XS(E)::R1(D),XP(b)
- K(c);S_FLIGHT,XP(J)::B(O)+R(M),XP(d)
- Refutation
- P(f);XP(J)
- Try
- P(J);XP(f)
- Refutation
- K(c);P_SPINP(b),S_FLIGHT,XS(E)
- Try
- P(J);
- Refutation
- K(c);P_SPINP(b),S_FLIGHT,XS(E)
- Try
- Actual
- S(N);
- Vars
- K(c);P_SPINP(b),S_FLIGHT,XS(E)::R1(M),XP(d)
- K(c);S_FLIGHT,XP(J)::QAB(B)+R(D),XP(b)
- P(f);SBLOCK,XP(J)::R1(M),XP(d)
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).