MESON Chess Problem Database
Problem Display
PID: 798 (4B3/P7/ppNPPb2/pk2rN1R/1p6/1P1R4/1Q4b1/Kn4Bq w - - 0 1)
Barnes, Barry Peter
2nd HM., British Chess Magazine, 1962
#2
12 + 10
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
| 3747 | FIDE Album (1962-1964) | 1968 |
| 4199 | Barnes about Chess Problems | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Sfd4#
- 1...Re2
- 2.Sfd4#
- 1...Re3
- 2.Sfd4#
- 1...Re4
- 2.Sfd4#
- 2.Se5#
- 2.Sce7#
- 2.Sb8#
- 2.Sd8#
- 2.Rd5#
- 1...Rc5
- 2.Scd4#
- 1...Rd5
- 2.Se5#
- 2.Sce7#
- 2.Sb8#
- 2.Sd8#
- 1...Rxe6
- 2.Sfd4#
- 1...Re1
- Tries
- 1.Rd5+?
- 1...Rxd5
- 2.Se5#
- 2.Sce7#
- 2.Sb8#
- 2.Sd8#
- 1...Bxd5!
- 1...Rxd5
- 1.Qc1?
- threat
- 2.Sfd4#
- 2.Scd4#
- 2.Qc4#
- 1...Re1+
- 2.Sfd4#
- 2.Scd4#
- 1...Re2+
- 2.Sfd4#
- 2.Scd4#
- 1...Re3+
- 2.Sfd4#
- 2.Scd4#
- 1...Re4+
- 2.Sfd4#
- 2.Scd4#
- 2.Se5#
- 1...Rc5+
- 2.Scd4#
- 1...Rd5+
- 2.Scd4#
- 2.Se5#
- 1...Rxf5+
- 2.Sd4#
- 1...Rxe6+
- 2.Sfd4#
- 2.Scd4#
- 1...Qxg1
- 2.Scd4#
- 2.Qc4#
- 1...Bxc6
- 2.Sd4#
- 2.Qc4#
- 1...Qh4
- 2.Scd4#
- 1...Bd5
- 2.Sfd4#
- 2.Scd4#
- 1...Sd2
- 2.Sfd4#
- 2.Scd4#
- 1...Sa3
- 2.Sfd4#
- 2.Scd4#
- 1...a4
- 2.Sfd4#
- 2.Qc4#
- 1...Sc3!
- threat
- 1.Qxe5+?
- 1...Bd5
- 2.Sce7#
- 2.Sb8#
- 2.Sd8#
- 1...Bxe5+!
- 1...Bd5
- 1.Qc2?
- threat
- 2.Sfd4#
- 2.Scd4#
- 2.Qc4#
- 1...Re1+
- 2.Sfd4#
- 2.Scd4#
- 1...Re2+
- 2.Sfd4#
- 2.Scd4#
- 1...Re3+
- 2.Sfd4#
- 2.Scd4#
- 1...Re4+
- 2.Sfd4#
- 2.Scd4#
- 2.Se5#
- 1...Rc5+
- 2.Scd4#
- 1...Rd5+
- 2.Scd4#
- 2.Se5#
- 1...Rxf5+
- 2.Sd4#
- 1...Rxe6+
- 2.Sfd4#
- 2.Scd4#
- 1...Qxg1
- 2.Scd4#
- 2.Qc4#
- 1...Bxc6
- 2.Sd4#
- 2.Qc4#
- 1...Qh4
- 2.Scd4#
- 1...Bd5
- 2.Sfd4#
- 2.Scd4#
- 1...Sd2
- 2.Sfd4#
- 2.Scd4#
- 1...Sa3
- 2.Sfd4#
- 2.Scd4#
- 1...a4
- 2.Sfd4#
- 2.Qc4#
- 2.bxa4#
- 1...Sc3!
- threat
- 1.a8S?
- threat
- 2.Sa7#
- 2.Sc7#
- 1...Bxc6
- 2.Sc7#
- 1...Re3
- 2.Sfd4#
- 1...Bd8
- 2.Sa7#
- 1...a4
- 2.Sc7#
- 1...Qxg1!
- threat
- 1.Rd5+?
- Keys
- 1.Qe2!
- threat
- 2.Rd5#
- 1...Rxe2+
- 2.Sfd4#
- 1...Re3+
- 2.Sfd4#
- 1...Re4+
- 2.Sfd4#
- 2.Se5#
- 1...Rc5+
- 2.Scd4#
- 1...Rd5+
- 2.Se5#
- 1...Rxf5+
- 2.Rc3#
- 1...Rxe6+
- 2.Sfd4#
- 1...Bd5
- 2.Rxd5#
- threat
- 1.Qe2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- R(g);P_PINQ(C)::R(G)+S(F),DCHECK
- R(g);P_PINQ(C),SBLOCK::B(L)+S(H),DCHECK
- R(g);P_PINQ(C),XP(J)::R(G)+S(F),DCHECK
- Tries
- Try
- R(E);CHECK
- Refutation
- B(c);XR(E)
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- R(g);CHECK::B(L)+S(H),DCHECK
- R(g);CHECK,P_SPINR(g),XS(F)::B(L)+S(H),DCHECK
- Q(b);::B(L)+S(H),DCHECK
- Refutation
- S(a);
- Try
- Q(C);CHECK,P_SPINQ(C),XR(g)
- Refutation
- B(j);CHECK,XQ(C)
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- R(g);CHECK::B(L)+S(H),DCHECK
- R(g);CHECK,P_SPINR(g),XS(F)::B(L)+S(H),DCHECK
- Q(b);::B(L)+S(H),DCHECK
- Refutation
- S(a);P_PINB(B)
- Try
- P(K);
- Threat
- DUALS(2)
- Vars
- B(c);P_SPINB(c),XS(H)::S(K)
- R(g);P_PINQ(C)::R(G)+S(F),DCHECK
- B(j);::B(L)+S(H),DCHECK
- P(e);::S(K)
- Refutation
- Q(b);XB(B)
- Try
- Actual
- Q(C);
- Threat
- QAB(C)+R(E),DCHECK
- Vars
- R(g);CHECK,XQ(C)::R(G)+S(F),DCHECK
- R(g);CHECK::R(G)+S(F),DCHECK
- R(g);CHECK,SBLOCK::B(L)+S(H),DCHECK
- R(g);CHECK,S_CUTB(c)::B(L)+S(H)
- R(g);CHECK,N_GUARD,P_SPINR(g),XS(F)::QAB(C)+R(E)
- R(g);CHECK,XP(J)::R(G)+S(F),DCHECK
- B(c);::QAB(C)+R(E),DCHECK,XB(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).