MESON Chess Problem Database
Problem Display
PID: 124267 (3B4/8/2n1R3/R3b2K/4nk2/Q2B2p1/3P2P1/8 w - - 0 1)
Jensen, Thomas
Source?, 0000
#2
8 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Kf5
- 2.Rf6#
- 1...Ba1
- 2.Rxe4#
- 1...Bb2
- 2.Rxe4#
- 1...Bc3
- 2.Rxe4#
- 1...Bd4
- 2.Rxe4#
- 1...Bd6
- 2.Rxe4#
- 1...Bf6
- 2.Rxe4#
- 1...Bc7
- 2.Rxe4#
- 1...Bg7
- 2.Rxe4#
- 1...Bb8
- 2.Rxe4#
- 1...Bh8
- 2.Rxe4#
- 1...Sxd2
- 2.Bg5#
- 1...Sf2
- 2.Bg5#
- 1...Sc3
- 2.Bg5#
- 1...Sc5
- 2.Bg5#
- 1...Sg5
- 2.Bxg5#
- 1...Sd6
- 2.Bg5#
- 1...Kf5
- Tries
- 1.Bxe4?
- threat
- 2.Qe3#
- 2.Qf3#
- 1...Sd4
- 2.Qe3#
- 1...Bc3
- 2.Bg5#
- 2.Rf5#
- 1...Bd4
- 2.Bg5#
- 2.Rf5#
- 2.Qf3#
- 1...Kxe4!
- threat
- 1.Bg5+?
- 1...Kf5
- 2.Rf6#
- 1...Sxg5!
- 1...Kf5
- 1.Qc5?
- 1...Kf5
- 2.Rf6#
- 1...Sxd2
- 2.Bg5#
- 1...Sxc5
- 2.Bg5#
- 1...Sxa5
- 2.Qxe5#
- 1...Sxd8
- 2.Qxe5#
- 1...Sd4
- 2.Qxe5#
- 1...Ba1
- 2.Rxe4#
- 2.Qe3#
- 2.Qf5#
- 1...Bb2
- 2.Rxe4#
- 2.Qe3#
- 2.Qf5#
- 1...Bc3
- 2.Rxe4#
- 2.Qe3#
- 2.Qf5#
- 1...Bd4
- 2.Rxe4#
- 2.Qf5#
- 1...Bd6
- 2.Rxe4#
- 2.Qe3#
- 2.Qf5#
- 1...Bf6
- 2.Rxe4#
- 2.Qe3#
- 2.Qf5#
- 1...Bc7
- 2.Rxe4#
- 2.Qe3#
- 2.Qf5#
- 1...Bg7
- 2.Rxe4#
- 2.Qe3#
- 2.Qf5#
- 1...Bb8
- 2.Rxe4#
- 2.Qe3#
- 2.Qf5#
- 1...Bh8
- 2.Rxe4#
- 2.Qe3#
- 2.Qf5#
- 1...Sf2
- 2.Bg5#
- 2.Qe3#
- 1...Sc3
- 2.Bg5#
- 2.Qe3#
- 1...Sg5
- 2.Bxg5#
- 2.Qe3#
- 1...Sd6
- 2.Bg5#
- 2.Qe3#
- 1...Sb4
- 2.Qxe5#
- 1...Sa7
- 2.Qxe5#
- 1...Se7
- 2.Qxe5#
- 1...Sb8
- 2.Qxe5#
- 1...Sf6+!
- 1...Kf5
- 1.Qf8+?
- 1...Bf6
- 2.Rxe4#
- 1...Sf6+!
- 1...Bf6
- 1.Bxe4?
- Keys
- 1.Qd6!
- 1...Sf6+
- 2.Rxf6#
- 1...Kf5
- 2.Rf6#
- 1...Bxd6
- 2.Rxe4#
- 1...Sxd2
- 2.Bg5#
- 1...Sxd6
- 2.Bg5#
- 1...Sxa5
- 2.Qxe5#
- 1...Sxd8
- 2.Qxe5#
- 1...Sd4
- 2.Qxe5#
- 1...Sf2
- 2.Bg5#
- 2.Rf6#
- 1...Sc3
- 2.Bg5#
- 2.Rf6#
- 1...Sc5
- 2.Bg5#
- 2.Rf6#
- 1...Sg5
- 2.Bxg5#
- 2.Rf6#
- 1...Sb4
- 2.Qxe5#
- 1...Sa7
- 2.Qxe5#
- 1...Se7
- 2.Qxe5#
- 1...Sb8
- 2.Qxe5#
- 1...Sf6+
- 1.Qd6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 13
- Sets
- K(c);P-FLIGHT,P_SPINB(d),P_SPINS(b)::R1(G)
- B(d);OGATE::R1(G),XS(b)
- S(b);N_GUARD,XP(A)::B(H)
- S(b);N_GUARD::B(H)
- S(b);N_GUARD::B(H),XS(b)
- Tries
- Try
- B(D);XS(b)
- Threat
- DUALS(2)
- Vars
- S(e);::QAB1(C)
- Refutation
- K(c);P-FLIGHT,P_SPINB(d),XB(D)
- Try
- B(H);CHECK
- Vars
- K(c);P-FLIGHT,P_SPINB(d),P_SPINS(b)::R1(G)
- Refutation
- S(b);XB(H)
- Try
- Q(C);
- Vars
- K(c);P-FLIGHT,P_SPINB(d),P_SPINS(b)::R1(G)
- S(b);N_GUARD,XP(A)::B(H)
- S(b);N_GUARD,XQ(C)::B(H)
- S(e);N_GUARD,XR(E)::QAB1(C),XB(d)
- S(e);N_GUARD,XB(H)::QAB1(C),XB(d)
- S(e);N_GUARD::QAB1(C),XB(d)
- Refutation
- S(b);CHECK
- Try
- Q(C);CHECK
- Vars
- B(d);OGATE,P_SPINB(d)::R1(G),XS(b)
- Refutation
- S(b);CHECK,P_SPINS(b)
- Try
- Actual
- Q(C);P_PINB(d)
- Vars
- S(b);CHECK,N_GUARD::R(G),XS(b)
- K(c);P-FLIGHT,P_SPINS(b)::R1(G)
- B(d);N_SPINB(d),OGATE,XQ(C)::R1(G),XS(b)
- S(b);N_GUARD,XP(A)::B(H)
- S(b);N_GUARD,N_SPINB(d),XQ(C)::B(H)
- S(e);N_GUARD,XR(E)::QAB1(C),XB(d)
- S(e);N_GUARD,XB(H)::QAB1(C),XB(d)
- S(e);N_GUARD::QAB1(C),XB(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).