MESON Chess Problem Database

Problem Display
PID: 70520 (2Q3R1/3pb2B/2RN1kP1/3Pp1pb/6q1/3N2p1/1p2P1P1/1K2B3 w - - 0 1)

Andrew, Frederick William

Evening News, 1896

(First published on Sat Jan 25 1896)

2Q3R1/3pb2B/2RN1kP1/3Pp1pb/6q1/3N2p1/1p2P1P1/1K2B3

#2

12 + 9

187 The Chess Bouquet 1897
15351 SCPF/BCPS Black Books 2016
15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Qf5
      • 2.Se4#
      • 2.Se8#
    • 1...Bxg6
      • 2.Rxg6#
    • 1...Bxd6
      • 2.Qf8#
    • 1...Bd8
      • 2.Qxd8#
    • 1...Bf8
      • 2.Qxf8#
    • 1...e4
      • 2.Bc3#
    • 1...dxc6
      • 2.Se8#
  • Tries
    • 1.Sf5+?
      • 1...Bd6
        • 2.Rf8#
        • 2.Qf8#
      • 1...dxc6
        • 2.Qe6#
      • 1...d6
        • 2.Qe6#
      • 1...Kxf5!
    • 1.Rf8+?
      • 1...Bxf8
        • 2.Qxf8#
      • 1...Kg7!
    • 1.Qxd7?
      • threat
        • 2.Se4#
        • 2.Se8#
      • 1...Bxg6
        • 2.Rxg6#
      • 1...Bxd6
        • 2.Rf8#
        • 2.Qf7#
      • 1...Qe6
        • 2.Qxe6#
      • 1...Qe4
        • 2.Sxe4#
        • 2.Se8#
        • 2.Qe6#
      • 1...e4
        • 2.Sxe4#
        • 2.Se8#
        • 2.Bc3#
      • 1...Qxd7!
    • 1.Qe8?
      • threat
        • 2.Qf7#
      • 1...Bxg6
        • 2.Rxg6#
        • 2.Qxg6#
      • 1...Qe6!
  • Keys
    • 1.Sc5!
      • 1...Qf5+
        • 2.Sde4#
      • 1...Qe4+
        • 2.Scxe4#
      • 1...Bxg6+
        • 2.Rxg6#
      • 1...Qxe2
        • 2.Sxd7#
      • 1...Bxd6
        • 2.Qf8#
      • 1...dxc6
        • 2.Se8#
      • 1...Bd8
        • 2.Qxd8#
      • 1...Bf8
        • 2.Qxf8#
      • 1...e4
        • 2.Bc3#
      • 1...Qf3
        • 2.Sxd7#
      • 1...Qh3
        • 2.Sce4#
      • 1...Qe6
        • 2.Sce4#
      • 1...Qa4
        • 2.Sxd7#
      • 1...Qb4
        • 2.Sxd7#
      • 1...Qc4
        • 2.Sxd7#
      • 1...Qd4
        • 2.Sxd7#
      • 1...Qf4
        • 2.Sxd7#
      • 1...Qh4
        • 2.Sxd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
    • B(f);OGATE,P_PINS(E),XP(I)::R1(L),XB(f)
    • B(i);N_GUARD,P_SPINB(i),XS(H)::QAR2(K)
    • B(i);OGATEB::QAB(K),XB(i)
    • B(i);N_GUARD::QAR2(K),XB(i)
    • P(d);OGATEB::B(B)
    • P(h);XR(G)::S(H)
  • Tries
    • Try
      • S(H);CHECK
      • Vars
        • P(h);OGATE,XR(G)::QAR1(K)
        • P(h);OGATE,P_SPINP(h)::QAR1(K)
      • Refutation
        • K(g);P-FLIGHT,P_SPINP(h),XS(H)
    • Try
      • R(L);CHECK
      • Vars
        • B(i);OGATE,XR(L)::QAR2(K),XB(i)
      • Refutation
        • K(g);S_FLIGHT
    • Try
      • Q(K);XP(h)
      • Threat
        • DUALS(2)
      • Vars
        • B(f);OGATE,P_PINS(E),XP(I)::R1(L),XB(f)
        • Q(c);N_GUARD::QAR1(K),XQ(c)
      • Refutation
        • Q(c);XQ(K)
    • Try
      • Q(K);
      • Threat
        • QAR1(K)
      • Refutation
        • Q(c);
  • Actual
    • S(E);
    • Vars
      • Q(c);CHECK,SBLOCK::R(G)+S(H),DCHECK
      • Q(c);CHECK,N_GUARD::S(E),XQ(c)
      • B(f);CHECK,OGATE,XP(I)::R1(L),XB(f)
      • Q(c);N_GUARD,XP(C)::S(E),XP(h)
      • B(i);N_GUARD,P_SPINB(i),XS(H)::QAR2(K)
      • P(h);XR(G)::S(H)
      • B(i);OGATEB::QAB(K),XB(i)
      • B(i);N_GUARD::QAR2(K),XB(i)
      • P(d);OGATEB::B(B)
      • Q(c);N_GUARD::S(E),XP(h)
      • Q(c);N_GUARD::S(E)
HTML5 logo

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).