MESON Chess Problem Database

Problem Display
PID: 223056 (2BbK3/2p2P2/2R2p2/2rpk3/2p2p2/2P2n2/2RQP3/8 w - - 0 1)

Wainwright, Joseph CJ

Milwaukee Telegraph, 1885

2BbK3/2p2P2/2R2p2/2rpk3/2p2p2/2P2n2/2RQP3/8

#2

8 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Se1
      • 2.Qd4#
    • 1...Sg1
      • 2.Qd4#
    • 1...Sh2
      • 2.Qd4#
    • 1...Sd4
      • 2.Qxd4#
    • 1...Sh4
      • 2.Qd4#
    • 1...Sg5
      • 2.Qd4#
    • 1...f5
      • 2.Re6#
  • Tries
    • 1.exf3?
      • threat
        • 2.Qe1#
        • 2.Qe2#
        • 2.Qd4#
      • 1...d4
        • 2.Qxd4#
      • 1...Rxc6!
  • Keys
    • 1.e4!
      • threat
        • 2.Re6#
      • 1...Kxe4
        • 2.Qe2#
      • 1...Rxc6
        • 2.Qxd5#
      • 1...dxe4
        • 2.Rxc5#
      • 1...fxe4 ep
        • 2.Qxe3#
      • 1...Sd4
        • 2.Qxd4#
      • 1...Sg5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • S(a);N_GUARD::QAB1(B)
    • S(a);N_GUARD::QAB1(B),XS(a)
    • P(g);SBLOCK::R1(E)
  • Tries
    • Try
      • P(C);XS(a)
      • Threat
        • DUALS(3)
      • Vars
        • P(e);::QAB1(B),XP(e)
      • Refutation
        • R(d);XR(E)
  • Actual
    • P(C);
    • Threat
      • R1(E)
    • Vars
      • K(f);OGATEB,P-FLIGHT,XP(C)::QAR2(B)
      • R(d);N_GUARD,XR(E)::QAR1(B),XP(e)
      • P(e);OGATEB,SBLOCK,XP(C)::R(E),XR(d)
      • P(c);EP,OGATEB,XP(C)::QAR2(B),XP(c)
      • S(a);N_GUARD::QAB1(B),XS(a)
      • S(a);N_GUARD::QAB1(B)
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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).