MESON Chess Problem Database
Problem Display
PID: 140815 (8/8/7K/4P3/1B2rkN1/R3N1p1/5pP1/1Q6 w - - 0 1)
Larsen, Lars Aksglade (= Aksglade, Lars)
Springaren, 2010
#2
8 + 4
SOLUTION
- SOUND
- Sets
- 1...Rxb4
- 2.Qf5#
- 2.Qxb4#
- 1...Rc4
- 2.Qf5#
- 1...Rd4
- 2.Qf5#
- 1...f1Q
- 2.Qxf1#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...Rxb4
- Tries
- 1.Kg6?
- 1...Rxe3
- 2.Qf5#
- 1...Rxb4
- 2.Qf5#
- 2.Qxb4#
- 1...f1Q
- 2.Qxf1#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...Rc4
- 2.Qf5#
- 1...Rd4
- 2.Qf5#
- 1...Rxe5!
- 1...Rxe3
- 1.Sd5+?
- 1...Kxg4
- 2.Qxe4#
- 1...Kf5!
- 1...Kxg4
- 1.Bd2?
- 1...Rxe3
- 2.Ra4#
- 1...f1Q
- 2.Qxf1#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...Ra4
- 2.Rxa4#
- 2.Qf5#
- 1...Rb4
- 2.Qf5#
- 2.Qxb4#
- 1...Rc4
- 2.Qf5#
- 1...Rd4
- 2.Qf5#
- 1...Rxe5!
- 1...Rxe3
- 1.Bc3?
- 1...Rxe5
- 2.Bxe5#
- 1...f1Q
- 2.Qxf1#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...Ra4
- 2.Rxa4#
- 2.Qf5#
- 1...Rb4
- 2.Qf5#
- 2.Qxb4#
- 1...Rc4
- 2.Qf5#
- 1...Rd4
- 2.Qf5#
- 1...Rxe3!
- 1...Rxe5
- 1.Bd6?
- 1...Rxe5
- 2.Bxe5#
- 2.Ra4#
- 2.Qf5#
- 2.Qb4#
- 1...f1Q
- 2.Qxf1#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...Ra4
- 2.Rxa4#
- 2.Qf5#
- 2.e6#
- 1...Rb4
- 2.Qf5#
- 2.Qxb4#
- 2.e6#
- 1...Rc4
- 2.Qf5#
- 2.e6#
- 1...Rd4
- 2.Qf5#
- 1...Rxe3!
- 1...Rxe5
- 1.Qd1?
- threat
- 2.Qf3#
- 1...f1Q
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...Rxe3!
- threat
- 1.Kg6?
- Keys
- 1.Ra4!
- 1...Rxe3
- 2.Bd2#
- 1...Rxb4
- 2.Rxb4#
- 2.Qf5#
- 2.Qxb4#
- 1...Rxe5
- 2.Bd6#
- 1...f1Q
- 2.Qxf1#
- 1...f1S
- 2.Qxf1#
- 1...f1B
- 2.Qxf1#
- 1...f1R
- 2.Qxf1#
- 1...Rc4
- 2.Qf5#
- 1...Rd4
- 2.Qf5#
- 1...Rxe3
- 1.Ra4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(c);OGATE::QAR1(A)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- Tries
- Try
- K(H);P-FLIGHT
- Vars
- R(c);OGATE,XS(D)::QAR1(A)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- R(c);OGATE::QAR1(A)
- Refutation
- R(c);XP(G)
- Try
- S(D);CHECK
- Vars
- K(d);P-FLIGHT,XS(F)::QAR2(A),XR(c)
- Refutation
- K(d);P-FLIGHT,P_SPINR(c)
- Try
- B(E);
- Vars
- R(c);OGATEB,P_SPINR(c),XS(D)::R(C)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- R(c);OGATE::QAR1(A)
- Refutation
- R(c);XP(G)
- Try
- B(E);
- Vars
- R(c);OGATE,XP(G)::B(E),XR(c)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- R(c);OGATE::QAR1(A)
- Refutation
- R(c);XS(D)
- Try
- B(E);
- Vars
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- R(c);OGATE::QAR1(A)
- Refutation
- R(c);XS(D)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XR(a)
- Refutation
- R(c);XS(D)
- Try
- Actual
- R(C);
- Vars
- R(c);OGATEB,XS(D)::R(C)+B(E)
- R(c);OGATEB,XP(G)::R(C)+B(E)
- P(a);OGATEB::QAR(A),XQ(a)
- P(a);OGATEB::QAR(A),XS(a)
- P(a);OGATEB::QAR(A),XB(a)
- P(a);OGATEB::QAR(A),XR(a)
- R(c);OGATE::QAR1(A)
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).