MESON Chess Problem Database
Problem Display
PID: 56325 (8/8/3QB1p1/6p1/3pk1p1/4n1R1/6P1/1KB5 w - - 0 1)
Lewis, Robert Tony
Comm., The Problemist, 2004
#2
6 + 6
| 133 | The Problemist Supplement | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Kd3
- 2.Rxe3#
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sxg2
- 2.Qd5#
- 1...Sc4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Bd5#
- 2.Qd5#
- 1...d3
- 2.Rxe3#
- 1...Kd3
- Tries
- 1.Ka2?
- 1...Sxg2
- 2.Qd5#
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sc4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Bd5#
- 2.Qd5#
- 1...d3
- 2.Rxe3#
- 1...Kd3!
- 1...Sxg2
- 1.Bd2?
- 1...Sxg2
- 2.Qd5#
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sc4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Bd5#
- 2.Qd5#
- 1...d3
- 2.Rxe3#
- 1...Kd3!
- 1...Sxg2
- 1.Bxe3?
- threat
- 2.Qxd4#
- 1...dxe3
- 2.Rxg4#
- 1...d3
- 2.Qd4#
- 2.Qd5#
- 1...Kd3!
- threat
- 1.Bc4?
- 1...Kf5
- 2.Bd3#
- 1...Sxg2
- 2.Bd3#
- 2.Qd5#
- 2.Qe6#
- 1...Sd1
- 2.Bd3#
- 2.Qd5#
- 2.Qe6#
- 1...Sf1
- 2.Bd3#
- 2.Qd5#
- 2.Qe6#
- 1...Sc2
- 2.Bd3#
- 2.Qd5#
- 2.Qe6#
- 1...Sd5
- 2.Bd3#
- 2.Qxd5#
- 2.Qe6#
- 1...Sf5
- 2.Bd3#
- 2.Bd5#
- 2.Rxg4#
- 2.Qd5#
- 2.Qe6#
- 1...d3
- 2.Bxd3#
- 1...Sxc4!
- 1...Kf5
- 1.Bf7?
- 1...Kd3
- 2.Rxe3#
- 1...Kf5
- 2.Bxg6#
- 1...Sxg2
- 2.Bxg6#
- 2.Qd5#
- 2.Qe6#
- 1...Sc4
- 2.Bxg6#
- 2.Qd5#
- 1...Sd1
- 2.Bxg6#
- 2.Qd5#
- 2.Qe6#
- 1...Sf1
- 2.Bxg6#
- 2.Qd5#
- 2.Qe6#
- 1...Sc2
- 2.Bxg6#
- 2.Qd5#
- 2.Qe6#
- 1...Sd5
- 2.Bxg6#
- 2.Qxd5#
- 2.Qe6#
- 1...Sf5
- 2.Bd5#
- 2.Qd5#
- 2.Qe6#
- 1...d3!
- 1...Kd3
- 1.Qd5+?
- 1...Kd3
- 2.Rxe3#
- 1...Kf4
- 2.Rxg4#
- 1...Sxd5!
- 1...Kd3
- 1.Ka2?
- Keys
- 1.Qc5!
- 1...Kd3
- 2.Qc2#
- 1...Kf4
- 2.Rxg4#
- 1...Sxg2
- 2.Qd5#
- 1...Sc4
- 2.Qd5#
- 1...Sd1
- 2.Qd5#
- 1...Sf1
- 2.Qd5#
- 1...Sc2
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sf5
- 2.Qd5#
- 1...d3
- 2.Qxe3#
- 1...Kd3
- 1.Qc5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(c);P_SPINP(b),P_SPINS(a),S_FLIGHT::R1(D),XS(a)
- S(a);N_GUARD::QAB1(E)
- S(a);N_GUARD,XP(C)::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- P(b);N_GUARD::R1(D),XS(a)
- Tries
- Try
- K(A);S_FLIGHT
- Vars
- S(a);N_GUARD,XP(C)::QAB1(E)
- S(a);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- P(b);N_GUARD::R1(D),XS(a)
- Refutation
- K(c);P_SPINP(b),P_SPINS(a),S_FLIGHT
- Try
- B(B);
- Vars
- S(a);N_GUARD,XP(C)::QAB1(E)
- S(a);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- P(b);N_GUARD::R1(D),XS(a)
- Refutation
- K(c);P_SPINP(b),P_SPINS(a),S_FLIGHT
- Try
- B(B);XS(a)
- Threat
- QAR1(E),XP(b)
- Vars
- P(b);SBLOCK,XB(B)::R(D),XP(d)
- Refutation
- K(c);P_SPINP(b),S_FLIGHT
- Try
- B(F);
- Vars
- K(c);S_FLIGHT::B(F)
- P(b);::B(F),XP(b)
- Refutation
- S(a);XB(F)
- Try
- B(F);
- Vars
- K(c);P_SPINP(b),P_SPINS(a),S_FLIGHT::R1(D),XS(a)
- K(c);S_FLIGHT::B(F),XP(f)
- Refutation
- P(b);
- Try
- Q(E);CHECK
- Vars
- K(c);P_SPINP(b),P_SPINS(a),S_FLIGHT::R1(D),XS(a)
- K(c);P-FLIGHT,P_SPINS(a)::R1(D),XP(d)
- Refutation
- S(a);XQ(E)
- Try
- Actual
- Q(E);
- Vars
- K(c);P_SPINS(a),S_FLIGHT::QAB1(E)
- K(c);P-FLIGHT,P_SPINS(a)::R1(D),XP(d)
- S(a);N_GUARD,XP(C)::QAB1(E)
- S(a);N_GUARD::QAB1(E)
- S(a);N_GUARD::QAB1(E),XS(a)
- P(b);OGATE::QAR1(E),XS(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).