MESON Chess Problem Database
Problem Display
PID: 243577 (4RB1K/2p5/1PN3R1/4n3/1p2k3/1P2Pn2/Q1N1P3/8 w - - 0 1)
Dimitrov, Nikolai
Europa-Rochade, 1989
#2
11 + 5
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Rxe5#
- 1...Sg1
- 2.Rxe5#
- 1...Sd2
- 2.Rxe5#
- 1...Sh2
- 2.Rxe5#
- 1...Sd4
- 2.Rxe5#
- 1...Sh4
- 2.Rxe5#
- 1...Sg5
- 2.Rxe5#
- 1...Se1
- Tries
- 1.Rg4+?
- 1...Kd5
- 2.S2xb4#
- 2.S6xb4#
- 1...Kf5!
- 1...Kd5
- 1.Qb1?
- 1...Kd5
- 2.S2xb4#
- 1...Kf5
- 2.S2d4#
- 1...Se1
- 2.Rxe5#
- 1...Sg1
- 2.Rxe5#
- 1...Sd2
- 2.Rxe5#
- 1...Sh2
- 2.Rxe5#
- 1...Sd4
- 2.Rxe5#
- 1...Sh4
- 2.Rxe5#
- 1...Sg5
- 2.Rxe5#
- 1...cxb6!
- 1...Kd5
- 1.Rg4+?
- Keys
- 1.Qa8!
- 1...Kd5
- 2.S6xb4#
- 1...Kf5
- 2.Se7#
- 1...cxb6
- 2.S6d4#
- 1...Se1
- 2.Rxe5#
- 1...Sg1
- 2.Rxe5#
- 1...Sd2
- 2.Rxe5#
- 1...Sh2
- 2.Rxe5#
- 1...Sd4
- 2.Rxe5#
- 1...Sh4
- 2.Rxe5#
- 1...Sg5
- 2.Rxe5#
- 1...Kd5
- 1.Qa8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(I),XS(d)
- Tries
- Try
- R(H);CHECK
- Refutation
- K(c);N_SPINS(d),S_FLIGHT
- Try
- Q(A);
- Vars
- K(c);N_SPINS(d),S_FLIGHT::S(B),XP(b)
- K(c);N_SPINS(d),S_FLIGHT::QAB(A)+S(B),DCHECK
- S(a);N_GUARD::R1(I),XS(d)
- Refutation
- P(e);XP(F)
- Try
- Actual
- Q(A);
- Vars
- K(c);N_SPINS(d),S_FLIGHT::QAB(A)+S(G),DCHECK,XP(b)
- K(c);N_SPINS(d),S_FLIGHT::S(G)
- P(e);N_GUARD,XP(F)::QAB(A)+S(G)
- S(a);N_GUARD::R1(I),XS(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).