MESON Chess Problem Database
Problem Display
PID: 228799 (1Q6/1RKpr1pP/3Pk1p1/R2p2P1/8/6P1/8/BB6 w - - 0 1)
Jespersen, Karl Lorenz Jesper
Tidskrift for Schack, 1911
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 1...Kf7
- Tries
- 1.Bb2?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 1...Rf7!
- 1...Kf7
- 1.Bc3?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 1...Rf7!
- 1...Kf7
- 1.Bd4?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...Rf7!
- 1...Kf7
- 1.Bc2?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Bb3#
- 1...Rf7!
- 1...Kf7
- 1.Bd3?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Bc4#
- 1...Rf7!
- 1...Kf7
- 1.Ra2?
- 1...Kf7
- 2.Qg8#
- 1...Rf7
- 2.Re2#
- 1...Re8
- 2.Qxe8#
- 1...d4!
- 1...Kf7
- 1.Ra3?
- 1...Kf7
- 2.Qg8#
- 1...Rf7
- 2.Re3#
- 1...Re8
- 2.Qxe8#
- 1...d4!
- 1...Kf7
- 1.Rab5?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 1...Rf7!
- 1...Kf7
- 1.Rc5?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 1...Rf7!
- 1...Kf7
- 1.Rb3?
- 1...Kf7
- 2.Qg8#
- 1...Rf7
- 2.Re3#
- 1...Re8
- 2.Qxe8#
- 1...d4!
- 1...Kf7
- 1.Rb4?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 1...Rf7!
- 1...Kf7
- 1.Rbb5?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 1...Rf7!
- 1...Kf7
- 1.Rb6?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 1...Rf7!
- 1...Kf7
- 1.Rba7?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 2.Qb3#
- 1...Rf7!
- 1...Kf7
- 1.Qa8?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 1...Rf7!
- 1...Kf7
- 1.Qc8?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxd7#
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 1...Rf7!
- 1...Kf7
- 1.Qd8?
- threat
- 2.Qxe7#
- 1...Kf7
- 2.Qxe7#
- 2.Qg8#
- 1...Re8
- 2.Qxd7#
- 2.Qxe8#
- 1...Rf7!
- threat
- 1.Qf8?
- threat
- 2.Qxe7#
- 1...Re8
- 2.Qxe8#
- 1...Rf7!
- threat
- 1.Qh8?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 1...Rf7!
- 1...Kf7
- 1.g4?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 1...Rf7!
- 1...Kf7
- 1.dxe7?
- threat
- 2.e8Q#
- 1...Kf7
- 2.e8Q#
- 1...Kxe7!
- threat
- 1.h8Q?
- 1...Kf7
- 2.Qbg8#
- 2.Qhg8#
- 1...Re8
- 2.Qbxe8#
- 2.Qhxe8#
- 1...d4
- 2.Ba2#
- 1...Rf7!
- 1...Kf7
- 1.h8S?
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 1...Rf7!
- 1...Re8
- 1.h8R?
- 1...Kf7
- 2.Qg8#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 1...Rf7!
- 1...Kf7
- 1.Bb2?
- Keys
- 1.Rb2!
- 1...Ke5
- 2.Re2#
- 1...Kf7
- 2.Qg8#
- 1...Rf7
- 2.Re2#
- 1...Re8
- 2.Qxe8#
- 1...d4
- 2.Ba2#
- 2.Qb3#
- 1...Ke5
- 1.Rb2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Tries
- Try
- B(A);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- B(A);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- B(A);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- Refutation
- R(e);
- Try
- B(B);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- B(B);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);SBLOCK::R(D)
- R(e);OGATEB::QAR2(J),XR(e)
- Refutation
- P(a);
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);SBLOCK::R(D)
- R(e);OGATEB::QAR2(J),XR(e)
- Refutation
- P(a);
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- R(D);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- R(G);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);SBLOCK::R(G)
- R(e);OGATEB::QAR2(J),XR(e)
- Refutation
- P(a);
- Try
- R(G);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- R(G);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- R(G);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- R(G);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- Refutation
- R(e);
- Try
- Q(J);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- Q(J);P_PINP(d)
- Vars
- K(b);N_SPINP(d),S_FLIGHT::QAB1(J)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- Q(J);
- Threat
- QAR1(J),XR(e)
- Refutation
- R(e);
- Try
- Q(J);
- Threat
- QAR1(J),XR(e)
- Vars
- R(e);OGATEB::QAR2(J),XR(e)
- Refutation
- R(e);
- Try
- Q(J);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- P(C);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- P(F);XR(e)
- Threat
- P=Q
- Vars
- K(b);S_FLIGHT::P=Q
- Refutation
- K(b);P-FLIGHT,XP(F)
- Try
- P(I);
- Vars
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- P(I);
- Vars
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- P(I);
- Vars
- K(b);S_FLIGHT::QAB1(J)
- R(e);OGATEB::QAR2(J),XR(e)
- P(a);OGATEB::B(B)
- Refutation
- R(e);
- Try
- Actual
- R(G);
- Vars
- K(b);P-FLIGHT,P_SPINP(a)::B(A)+R(G),DCHECK
- K(b);S_FLIGHT::QAB1(J)
- R(e);SBLOCK::R(G)
- R(e);OGATEB::QAR2(J),XR(e)
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).