MESON Chess Problem Database
Problem Display
PID: 285174 (1n1B2b1/6p1/1N1pp1PN/n1p1k1P1/1p2B2R/p7/3QKPqb/4R3 w - - 0 1)
Lupton, James Money-Kyrle
Daily Telegraph, 1922
(First published on Sat Nov 4 1922)
#2
11 + 12
| 15239 | Valois Notebooks | 2026 |
SOLUTION
- SOUND
- Sets
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sac6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sa6
- 2.Sd7#
- 1...Sbc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...a2
- 2.Qb2#
- 1...b3
- 2.Qc3#
- 1...d5
- 2.Bc7#
- 1...gxh6
- 2.Bf6#
- 1...Bf7
- Tries
- 1.Bc2?
- 1...Qf1+
- 2.Kxf1#
- 1...Qf3+
- 2.Kxf3#
- 1...Qe4+
- 2.Rxe4#
- 1...Qxf2+
- 2.Kxf2#
- 1...Qg4+
- 2.Sxg4#
- 1...Qxg5
- 2.Re4#
- 2.Qxg5#
- 1...gxh6
- 2.Bf6#
- 1...d5
- 2.Bc7#
- 1...Qh1
- 2.Sg4#
- 1...Qh3
- 2.Re4#
- 1...Qd5
- 2.Sg4#
- 1...Qc6
- 2.Sg4#
- 1...Qb7
- 2.Sg4#
- 1...Qa8
- 2.Sg4#
- 1...Qg1
- 2.Re4#
- 2.Qe3#
- 1...Qg3
- 2.Re4#
- 1...Bg1
- 2.Qf4#
- 1...Bg3
- 2.Sg4#
- 1...Bf4
- 2.Qxf4#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sac6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sa6
- 2.Sd7#
- 1...Sbc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...b3
- 2.Qc3#
- 1...c4
- 2.Qd4#
- 1...a2!
- 1...Qf1+
- 1.Bxg2?
- threat
- 2.Kd1#
- 2.Kf1#
- 2.Kd3#
- 2.Kf3#
- 2.Re4#
- 2.Qe3#
- 1...d5
- 2.Bc7#
- 1...Bf4
- 2.Qxf4#
- 1...Sc4
- 2.Sxc4#
- 2.Re4#
- 1...c4
- 2.Kd1#
- 2.Kf1#
- 2.Kf3#
- 2.Re4#
- 2.Qe3#
- 2.Qd4#
- 1...gxh6!
- threat
- 1.Bc2?
- Keys
- 1.Bb1!
- 1...Qf1+
- 2.Kxf1#
- 1...Qf3+
- 2.Kxf3#
- 1...Qe4+
- 2.Rxe4#
- 1...Qxf2+
- 2.Kxf2#
- 1...Qg4+
- 2.Sxg4#
- 1...Qxg5
- 2.Re4#
- 2.Qxg5#
- 1...gxh6
- 2.Bf6#
- 1...d5
- 2.Bc7#
- 1...Qh1
- 2.Sg4#
- 1...Qh3
- 2.Re4#
- 1...Qd5
- 2.Sg4#
- 1...Qc6
- 2.Sg4#
- 1...Qb7
- 2.Sg4#
- 1...Qa8
- 2.Sg4#
- 1...Qg1
- 2.Re4#
- 2.Qe3#
- 1...Qg3
- 2.Re4#
- 1...Bg1
- 2.Qf4#
- 1...Bg3
- 2.Sg4#
- 1...Bf4
- 2.Qxf4#
- 1...Bf7
- 2.Sxf7#
- 1...Bh7
- 2.Sf7#
- 1...Sb3
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sac6
- 2.Sc4#
- 1...Sb7
- 2.Sc4#
- 1...Sa6
- 2.Sd7#
- 1...Sbc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...a2
- 2.Qb2#
- 1...b3
- 2.Qc3#
- 1...c4
- 2.Qd4#
- 1...Qf1+
- 1.Bb1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 16
- REMOVED MATES = 0
- Sets
- B(l);N_GUARD::S(J),XB(l)
- B(l);N_GUARD::S(J)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- S(k);N_GUARD::S(H)
- S(k);N_GUARD::S(H),XS(k)
- P(c);N_GUARD::QAB(B)
- P(d);N_GUARD::QAB(B)
- P(h);OGATEB::B(K)
- P(j);N_GUARD,XS(J)::B(K)
- Tries
- Try
- B(E);
- Vars
- Q(a);CHECK,N_PINP(D)::R(A)+K(C),XQ(a)
- Q(a);CHECK,N_GUARD,N_PINP(D)::R1(F),XQ(a)
- Q(a);CHECK,XP(D)::R(A)+K(C),XQ(a)
- Q(a);CHECK,N_GUARD,N_PINP(D)::S(J),XQ(a)
- P(j);N_GUARD,XS(J)::B(K)
- P(h);OGATEB::B(K)
- Q(a);N_GUARD,N_PINP(D)::S(J)
- Q(a);N_GUARD,N_PINP(D)::R1(F)
- B(b);N_GUARD::QAB1(B)
- B(b);S_CUTQ(a)::S(J)
- B(b);N_GUARD::QAB1(B),XB(b)
- B(l);N_GUARD::S(J),XB(l)
- B(l);N_GUARD::S(J)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- S(k);N_GUARD::S(H)
- S(k);N_GUARD::S(H),XS(k)
- P(d);N_GUARD::QAB(B)
- P(f);N_GUARD::QAB1(B)
- Refutation
- P(c);
- Try
- B(E);N_SPINP(D),XQ(a)
- Threat
- DUALS(6)
- Vars
- P(h);OGATEB::B(K)
- B(b);N_GUARD::QAB1(B),XB(b)
- Refutation
- P(j);XS(J)
- Try
- Actual
- B(E);
- Vars
- Q(a);CHECK,N_PINP(D)::R(A)+K(C),XQ(a)
- Q(a);CHECK,N_GUARD,N_PINP(D)::R1(F),XQ(a)
- Q(a);CHECK,XP(D)::R(A)+K(C),XQ(a)
- Q(a);CHECK,N_GUARD,N_PINP(D)::S(J),XQ(a)
- P(j);N_GUARD,XS(J)::B(K)
- P(h);OGATEB::B(K)
- Q(a);N_GUARD,N_PINP(D)::S(J)
- Q(a);N_GUARD,N_PINP(D)::R1(F)
- B(b);N_GUARD::QAB1(B)
- B(b);S_CUTQ(a)::S(J)
- B(b);N_GUARD::QAB1(B),XB(b)
- B(l);N_GUARD::S(J),XB(l)
- B(l);N_GUARD::S(J)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- S(k);N_GUARD::S(H)
- S(k);N_GUARD::S(H),XS(k)
- P(c);N_GUARD::QAB(B)
- P(d);N_GUARD::QAB(B)
- P(f);N_GUARD::QAB1(B)
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).