MESON Chess Problem Database
Problem Display
PID: 109455 (8/8/1pp1p3/b1p1r1P1/Bpk1P2R/1p5R/1P2N1Q1/6K1 w - - 0 1)
Strzala, Kazimierz
Wola Gulowska, 1993
#2
9 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxe4
- 2.Qxe4#
- 1...Rd5
- 2.exd5#
- 1...Rf5
- 2.exf5#
- 1...b5
- 2.Bxb3#
- 1...Rxe4
- Tries
- 1.Kf1?
- 1...Rf5+
- 2.exf5#
- 1...Rxe4
- 2.Qxe4#
- 1...Rd5
- 2.exd5#
- 1...b5
- 2.Bxb3#
- 1...Rxg5!
- 1...Rf5+
- 1.Kh1?
- 1...Rxe4
- 2.Qxe4#
- 1...Rd5
- 2.exd5#
- 1...Rf5
- 2.exf5#
- 1...b5
- 2.Bxb3#
- 1...Rxg5!
- 1...Rxe4
- 1.Kf2?
- 1...Rf5+
- 2.exf5#
- 1...Rxe4
- 2.Qxe4#
- 1...Rd5
- 2.exd5#
- 1...b5
- 2.Bxb3#
- 1...Rxg5!
- 1...Rf5+
- 1.Kh2?
- 1...Rxe4
- 2.Qxe4#
- 1...Rd5
- 2.exd5#
- 1...Rf5
- 2.exf5#
- 1...b5
- 2.Bxb3#
- 1...Rxg5!
- 1...Rxe4
- 1.Re3?
- 1...Rxe4
- 2.Qxe4#
- 1...b5
- 2.Bxb3#
- 1...Rd5
- 2.exd5#
- 1...Rf5
- 2.exf5#
- 1...Rxg5!
- 1...Rxe4
- 1.Rg3?
- 1...Rxe4
- 2.Qxe4#
- 1...b5
- 2.Bxb3#
- 1...Rd5
- 2.exd5#
- 1...Rf5
- 2.exf5#
- 1...Rxg5!
- 1...Rxe4
- 1.Rg4?
- 1...Rxe4
- 2.Qxe4#
- 1...b5
- 2.Bxb3#
- 1...Rd5
- 2.exd5#
- 1...Rf5
- 2.exf5#
- 1...Rxg5!
- 1...Rxe4
- 1.Qh1?
- 1...Rxe4
- 2.Qxe4#
- 1...Rd5
- 2.exd5#
- 1...Rf5
- 2.exf5#
- 1...b5
- 2.Bxb3#
- 1...Rxg5+!
- 1...Rxe4
- 1.Qf3?
- threat
- 2.Qxb3#
- 2.Qd3#
- 1...Rd5
- 2.Qxb3#
- 2.exd5#
- 1...Rxg5+!
- threat
- 1.Qg3?
- threat
- 2.Qxb3#
- 2.Qd3#
- 1...Rd5
- 2.Qxb3#
- 1...Rxg5!
- threat
- 1.Kf1?
- Keys
- 1.Rf4!
- 1...Rxe4
- 2.Qxe4#
- 1...Rxg5
- 2.e5#
- 1...b5
- 2.Bxb3#
- 1...Rd5
- 2.exd5#
- 1...Rf5
- 2.exf5#
- 1...Rxe4
- 1.Rf4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(f);OGATE,P_SPINR(f),XP(G)::QAR2(D),XR(f)
- R(f);OGATE::R(H)+P(G),XR(f)
- P(g);SBLOCK::B(F),XP(a)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- R(f);CHECK,OGATE::R(H)+P(G),XR(f)
- R(f);OGATE,P_SPINR(f),XP(G)::QAR2(D),XR(f)
- R(f);OGATE::R(H)+P(G),XR(f)
- P(g);SBLOCK::B(F),XP(a)
- Refutation
- R(f);XP(I)
- Try
- K(A);P-FLIGHT
- Vars
- R(f);OGATE,P_SPINR(f),XP(G)::QAR2(D),XR(f)
- R(f);OGATE::R(H)+P(G),XR(f)
- P(g);SBLOCK::B(F),XP(a)
- Refutation
- R(f);XP(I)
- Try
- K(A);S_FLIGHT
- Vars
- R(f);CHECK,OGATE::R(H)+P(G),XR(f)
- R(f);OGATE,P_SPINR(f),XP(G)::QAR2(D),XR(f)
- R(f);OGATE::R(H)+P(G),XR(f)
- P(g);SBLOCK::B(F),XP(a)
- Refutation
- R(f);XP(I)
- Try
- K(A);S_FLIGHT
- Vars
- R(f);OGATE,P_SPINR(f),XP(G)::QAR2(D),XR(f)
- R(f);OGATE::R(H)+P(G),XR(f)
- P(g);SBLOCK::B(F),XP(a)
- Refutation
- R(f);XP(I)
- Try
- R(E);
- Vars
- R(f);OGATE,P_SPINR(f),XP(G)::QAR2(D),XR(f)
- P(g);SBLOCK::B(F),XP(a)
- R(f);OGATE::R(H)+P(G),XR(f)
- Refutation
- R(f);P_PINQ(D),XP(I)
- Try
- R(E);
- Vars
- R(f);OGATE,P_SPINR(f),XP(G)::QAR2(D),XR(f)
- P(g);SBLOCK::B(F),XP(a)
- R(f);OGATE::R(H)+P(G),XR(f)
- Refutation
- R(f);XP(I)
- Try
- R(H);
- Vars
- R(f);OGATE,P_SPINR(f),XP(G)::QAR2(D),XR(f)
- P(g);SBLOCK::B(F),XP(a)
- R(f);OGATE::R(H)+P(G),XR(f)
- Refutation
- R(f);XP(I)
- Try
- Q(D);
- Vars
- R(f);OGATE,P_SPINR(f),XP(G)::QAR2(D),XR(f)
- R(f);OGATE::R(H)+P(G),XR(f)
- P(g);SBLOCK::B(F),XP(a)
- Refutation
- R(f);CHECK,XP(I)
- Try
- Q(D);
- Threat
- DUALS(2)
- Refutation
- R(f);CHECK,XP(I)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(f);::QAB1(D),XP(a)
- Refutation
- R(f);P_PINQ(D),XP(I)
- Try
- Actual
- R(H);
- Vars
- R(f);OGATE,P_SPINR(f),XP(G)::QAR2(D),XR(f)
- R(f);OGATE,P_PINQ(D),XP(I)::R(H)+P(G)
- P(g);SBLOCK::B(F),XP(a)
- R(f);OGATE::R(H)+P(G),XR(f)
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).