MESON Chess Problem Database
Problem Display
PID: 164429 (8/8/4Q1Np/1Kp1B1pR/BP2kqbR/3p1p2/5P2/7N w - - 0 1)
Bosma, Rinke
Probleemblad, 1978
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Sg3#
- 2.Ba1#
- 2.Bb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 1...Qd2
- 2.Sg3#
- 2.Ba1#
- 2.Bb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 1...Qe3
- 2.Sg3#
- 2.Ba1#
- 2.Bb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 1...Qg3
- 2.Sxg3#
- 1...Qxe5
- 2.Rxg4#
- 2.Qxe5#
- 1...Qf5
- 2.Sg3#
- 2.Qc4#
- 2.Qc6#
- 1...Qf6
- 2.Sg3#
- 2.Bxf6#
- 1...Qf7
- 2.Sg3#
- 1...Qf8
- 2.Sg3#
- 2.Ba1#
- 2.Bb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 1...Bh3
- 2.Sg3#
- 1...Bf5
- 2.Sg3#
- 2.Qc4#
- 2.Qc6#
- 1...Bxh5
- 2.Sg3#
- 2.Ba1#
- 2.Bb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 1...d2
- 2.Bc2#
- 1...gxh4
- 2.Qc4#
- 2.Qc6#
- 1...Qc1
- Tries
- 1.Kc4?
- threat
- 2.Bc6#
- 1...Qc1+
- 2.Bc3#
- 1...Bxe6+!
- threat
- 1.Ka5?
- threat
- 2.Bc6#
- 1...Qxe5
- 2.Rxg4#
- 2.Qxe5#
- 1...d2
- 2.Bc2#
- 1...Bxe6!
- threat
- 1.Ka6?
- threat
- 2.Bc6#
- 1...Qxe5
- 2.Rxg4#
- 2.Qxe5#
- 1...d2
- 2.Bc2#
- 1...Bxe6!
- threat
- 1.Kb6?
- threat
- 2.Bc6#
- 1...Qxe5
- 2.Rxg4#
- 2.Qxe5#
- 1...d2
- 2.Bc2#
- 1...Bxe6!
- threat
- 1.Sxf4?
- threat
- 2.Sg3#
- 1...gxf4
- 2.Qc4#
- 2.Qc6#
- 1...gxh4
- 2.Qc4#
- 2.Qd5#
- 2.Qc6#
- 1...Bxe6!
- threat
- 1.Se7?
- threat
- 2.Qd5#
- 1...Qxe5
- 2.Rxg4#
- 1...Qf7
- 2.Sg3#
- 1...Bxe6!
- threat
- 1.Bb3?
- threat
- 2.Bd5#
- 1...Qxe5
- 2.Rxg4#
- 2.Qxe5#
- 1...Bxe6
- 2.Sg3#
- 1...d2
- 2.Bc2#
- 1...c4!
- threat
- 1.Ba1+?
- 1...Qe5
- 2.Sg3#
- 2.Rxg4#
- 2.Qxe5#
- 1...Bxe6!
- 1...Qe5
- 1.Bb2+?
- 1...Qe5
- 2.Sg3#
- 2.Rxg4#
- 2.Qxe5#
- 1...Bxe6!
- 1...Qe5
- 1.Bc3+?
- 1...Qe5
- 2.Sg3#
- 2.Rxg4#
- 2.Qxe5#
- 1...Bxe6!
- 1...Qe5
- 1.Bd4+?
- 1...Kxd4
- 2.Qc4#
- 1...Qe5
- 2.Rxg4#
- 2.Qxe5#
- 1...Bxe6!
- 1...Kxd4
- 1.Bxf4+?
- 1...Kd4
- 2.Qc4#
- 2.Qe5#
- 1...Bxe6!
- 1...Kd4
- 1.Bd6+?
- 1...Kd4
- 2.Qc4#
- 1...Qe5
- 2.Rxg4#
- 2.Qxe5#
- 1...Bxe6!
- 1...Kd4
- 1.Bf6+?
- 1...Qe5
- 2.Rxg4#
- 2.Qxe5#
- 1...Bxe6!
- 1...Qe5
- 1.Bc7+?
- 1...Kd4
- 2.Qc4#
- 1...Qe5
- 2.Rxg4#
- 2.Qxe5#
- 1...Bxe6!
- 1...Kd4
- 1.Bg7+?
- 1...Qe5
- 2.Rxg4#
- 2.Qxe5#
- 1...Bxe6!
- 1...Qe5
- 1.Bb8+?
- 1...Kd4
- 2.Qc4#
- 1...Qe5
- 2.Rxg4#
- 2.Qxe5#
- 1...Bxe6!
- 1...Kd4
- 1.Bh8+?
- 1...Qe5
- 2.Rxg4#
- 2.Qxe5#
- 1...Bxe6!
- 1...Qe5
- 1.Rxg4?
- threat
- 2.Sg3#
- 2.Ba1#
- 2.Bb2#
- 2.Bc3#
- 2.Bf6#
- 2.Bg7#
- 2.Bh8#
- 1...d2
- 2.Bc2#
- 1...Qxg4!
- threat
- 1.Qd5+?
- 1...Kf5
- 2.Se7#
- 1...Kxd5!
- 1...Kf5
- 1.Kc4?
- Keys
- 1.Kxc5!
- threat
- 2.Bc6#
- 1...Qc1+
- 2.Bc3#
- 1...Qe3+
- 2.Bd4#
- 1...Qxe5+
- 2.Qxe5#
- 1...Qf8+
- 2.Bd6#
- 1...Bxe6
- 2.Sg3#
- 1...d2
- 2.Bc2#
- threat
- 1.Kxc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- Q(d);N_GUARD,P_SPINB(e)::S(A),XQ(d)
- Q(d);N_GUARD,P_SPINB(e)::S(A)
- B(e);P_SPINQ(d)::S(A)
- P(a);OGATEB::B(C)
- Tries
- Try
- K(F);S_FLIGHT
- Threat
- B(C)
- Vars
- Q(d);CHECK,N_GUARD,P_SPINB(e)::QAR(I)+B(G)
- Refutation
- B(e);CHECK,P_SPINQ(d),XQ(I)
- Try
- K(F);P-FLIGHT
- Threat
- B(C)
- Vars
- P(a);OGATEB::B(C)
- Refutation
- B(e);P_SPINQ(d),XQ(I)
- Try
- K(F);S_FLIGHT
- Threat
- B(C)
- Vars
- P(a);OGATEB::B(C)
- Refutation
- B(e);P_SPINQ(d),XQ(I)
- Try
- K(F);P-FLIGHT
- Threat
- B(C)
- Vars
- P(a);OGATEB::B(C)
- Refutation
- B(e);P_SPINQ(d),XQ(I)
- Try
- S(J);XQ(d)
- Threat
- S(A)
- Refutation
- B(e);XQ(I)
- Try
- S(J);
- Threat
- QAB1(I)
- Vars
- Q(d);OGATEB,P_SPINB(e),P_SPINQ(d),XB(G)::R(E),XB(e)
- Q(d);N_GUARD,P_SPINB(e)::S(A)
- Refutation
- B(e);P_SPINQ(d),XQ(I)
- Try
- B(C);
- Threat
- B(C)
- Vars
- B(e);P_SPINQ(d),XQ(I)::S(A)
- P(a);OGATEB::B(C)
- Refutation
- P(f);
- Try
- B(G);CHECK
- Refutation
- B(e);P_SPINQ(d),XQ(I)
- Try
- B(G);CHECK
- Refutation
- B(e);P_SPINQ(d),XQ(I)
- Try
- B(G);CHECK
- Refutation
- B(e);P_SPINQ(d),XQ(I)
- Try
- B(G);CHECK
- Vars
- K(c);OGATEB,P-FLIGHT,XB(G)::QAR1(I)
- Refutation
- B(e);P_SPINQ(d),XQ(I)
- Try
- B(G);CHECK,XQ(d)
- Refutation
- B(e);XQ(I)
- Try
- B(G);CHECK
- Vars
- K(c);P-FLIGHT::QAR1(I)
- Refutation
- B(e);P_SPINQ(d),XQ(I)
- Try
- B(G);CHECK
- Refutation
- B(e);P_SPINQ(d),XQ(I)
- Try
- B(G);CHECK
- Vars
- K(c);P-FLIGHT::QAR1(I)
- Refutation
- B(e);P_SPINQ(d),XQ(I)
- Try
- B(G);CHECK
- Refutation
- B(e);P_SPINQ(d),XQ(I)
- Try
- B(G);CHECK
- Vars
- K(c);P-FLIGHT::QAR1(I)
- Refutation
- B(e);P_SPINQ(d),XQ(I)
- Try
- B(G);CHECK
- Refutation
- B(e);P_SPINQ(d),XQ(I)
- Try
- R(E);P_PINQ(d),XB(e)
- Threat
- DUALS(7)
- Vars
- P(a);OGATEB::B(C)
- Refutation
- Q(d);N_SPINQ(d),XR(E)
- Try
- Q(I);CHECK
- Vars
- K(c);P_SPINP(g),S_FLIGHT::S(J)
- Refutation
- K(c);S_FLIGHT,XQ(I)
- Try
- Actual
- K(F);P-FLIGHT,XP(f)
- Threat
- B(C)
- Vars
- Q(d);CHECK,N_GUARD,P_SPINB(e)::QAR(I)+B(G)
- Q(d);CHECK,OGATE,P_SPINB(e),P_SPINQ(d),XB(G)::QAR1(I),XQ(d)
- B(e);P_SPINQ(d),XQ(I)::S(A)
- P(a);OGATEB::B(C)
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).