MESON Chess Problem Database
Problem Display
PID: 42259 (8/bQ6/8/2R5/2b5/N1n5/np6/1Nk1K2R w K - 0 1)
Barnes, Barry Peter
Comm., The Problemist, 1976
#2
6 + 6
| 4199 | Barnes about Chess Problems | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Bd5
- 2.0-0#
- 1...Be6
- 2.Kf2#
- 2.0-0#
- 1...Bf7
- 2.Kf2#
- 2.0-0#
- 1...Bg8
- 2.Kf2#
- 2.0-0#
- 1...Sa4
- 2.Kf2#
- 1...Sb5
- 2.Kf2#
- 1...Sd5
- 2.Kf2#
- 1...Bd5
- Tries
- 1.Kf2+?
- 1...Bf1
- 2.Rxf1#
- 1...Sd1+!
- 1...Bf1
- 1.Qg2?
- threat
- 2.Qc2#
- 2.Qd2#
- 2.Qg5#
- 1...Bxc5
- 2.Qc2#
- 2.Qd2#
- 1...Sxb1
- 2.Qc2#
- 1...Be2
- 2.Qg5#
- 1...Bb3
- 2.Qd2#
- 2.Qg5#
- 1...Bd3
- 2.Qd2#
- 2.Qg5#
- 1...Bb8
- 2.Qc2#
- 2.Qd2#
- 1...Sb4
- 2.Qd2#
- 2.Qg5#
- 1...Sd1
- 2.Qc2#
- 2.Qd2#
- 1...Se4
- 2.Qc2#
- 1...Sd5
- 2.Kf2#
- 2.Qc2#
- 2.Qd2#
- 1...Se2!
- threat
- 1.Qf3?
- threat
- 2.Qe3#
- 2.Qf4#
- 1...Sxb1
- 2.Qd1#
- 1...Bb8
- 2.Qe3#
- 1...Sd1
- 2.Qxd1#
- 1...Se2
- 2.Qe3#
- 1...Se4
- 2.Qd1#
- 1...Sd5
- 2.Kf2#
- 2.Qd1#
- 1...Bxc5!
- threat
- 1.Qe4?
- threat
- 2.Qc2#
- 2.Qe3#
- 2.Qf4#
- 1...Bxc5
- 2.Qc2#
- 1...Sxb1
- 2.Qxb1#
- 2.Qc2#
- 1...Bb3
- 2.Qe3#
- 2.Qf4#
- 1...Bd3
- 2.Qe3#
- 2.Qf4#
- 1...Bb8
- 2.Qc2#
- 2.Qe3#
- 1...Sb4
- 2.Qe3#
- 2.Qf4#
- 1...Sd1
- 2.Qc2#
- 1...Se2
- 2.Qc2#
- 2.Qe3#
- 1...Sd5
- 2.Kf2#
- 2.Qc2#
- 1...Sxe4!
- threat
- 1.Qd7?
- threat
- 2.Qd2#
- 1...Sxb1
- 2.Kf2#
- 2.Qd1#
- 1...Bd5
- 2.0-0#
- 1...Se4
- 2.Qd1#
- 1...Sd5
- 2.Kf2#
- 1...Bd3!
- threat
- 1.Qh7?
- threat
- 2.Qc2#
- 2.Qh6#
- 1...Bxc5
- 2.Qc2#
- 1...Sxb1
- 2.Qxb1#
- 2.Qc2#
- 1...Bb3
- 2.Qh6#
- 1...Bd3
- 2.Qh6#
- 1...Bb8
- 2.Qc2#
- 1...Sb4
- 2.Qh6#
- 1...Sd1
- 2.Qc2#
- 1...Se2
- 2.Qc2#
- 1...Sd5
- 2.Kf2#
- 2.Qc2#
- 1...Se4!
- threat
- 1.Kf2+?
- Keys
- 1.Qd5!
- threat
- 2.Qd2#
- 2.Qg5#
- 1...Bxd5
- 2.0-0#
- 1...Bxc5
- 2.Qd2#
- 1...Sxb1
- 2.Kf2#
- 2.Qd1#
- 1...Sxd5
- 2.Kf2#
- 1...Bd3
- 2.Qg5#
- 1...Bb8
- 2.Qd2#
- 1...Sd1
- 2.Qxd1#
- 2.Qd2#
- 1...Se2
- 2.Qd1#
- 2.Qd2#
- 1...Se4
- 2.Qd1#
- threat
- 1.Qd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- B(e);P_SPINS(d)::0-0
- S(d);N_GUARD,P_SPINB(e)::R(C)+K(B)
- Tries
- Try
- K(B);CHECK,P_SPINR(E),S_FLIGHT
- Vars
- B(e);N_GUARD,P_SPINB(e),P_SPINS(d)::R(C),XB(e)
- Refutation
- S(d);CHECK,P_SPINB(e),P_SPINS(d)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- S(d);P_SPINB(e),XS(A)::QAR1(F)
- B(e);P_SPINS(d)::QAB(F)
- S(d);P_SPINB(e)::QAR1(F)
- Refutation
- S(d);P_SPINB(e)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- S(d);N_GUARD,P_SPINB(e),XS(A)::QAR1(F)
- B(f);::QAB(F)
- S(d);N_GUARD,P_SPINB(e)::QAR1(F),XS(d)
- S(d);P_SPINB(e)::QAB(F)
- S(d);N_GUARD,P_SPINB(e)::QAR1(F)
- Refutation
- B(f);XR(E)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- B(f);XR(E)::QAR1(F)
- S(d);P_SPINB(e)::QAR1(F)
- Refutation
- S(d);P_SPINB(e),XQ(F)
- Try
- Q(F);
- Threat
- QAB1(F)
- Vars
- B(e);P_SPINS(d)::0-0
- S(d);N_GUARD,P_SPINB(e)::QAR1(F)
- S(d);N_GUARD,P_SPINB(e)::R(C)+K(B)
- Refutation
- B(e);P_SPINS(d)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(f);XR(E)::QAR1(F)
- B(e);P_SPINS(d)::QAB(F)
- B(f);::QAR1(F)
- S(b);::QAB(F)
- S(d);P_SPINB(e)::QAR1(F)
- Refutation
- S(d);P_SPINB(e)
- Try
- Actual
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(e);P_SPINS(d),XQ(F)::0-0
- B(f);XR(E)::QAB1(F)
- S(d);N_GUARD,P_SPINB(e),XQ(F)::R(C)+K(B)
- B(e);P_SPINS(d)::QAB(F)
- B(f);::QAB1(F)
- S(d);N_GUARD,P_SPINB(e)::QAR1(F)
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).