MESON Chess Problem Database

Problem Display
PID: 2328 (2R5/1Q6/3PN3/2N1P2p/p1k3qR/2p2p2/8/b4Kn1 w - - 0 1)

Gamage, Frederick

Honour Problem, The Chess Review, 1939

2R5/1Q6/3PN3/2N1P2p/p1k3qR/2p2p2/8/b4Kn1

#2

8 + 8

5062 111 Selected Problems by Famous Composers 1945
5064 100 Years of the American Two-move Chess Problem 1962
5397 Frederick Gamage (Prcic) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Rxd4#
    • 1...Qe4
      • 2.Rxe4#
    • 1...Qf4
      • 2.Rxf4#
    • 1...a3
      • 2.Qb3#
  • Tries
    • 1.Ra8?
      • threat
        • 2.Rxa4#
      • 1...a3
        • 2.Ra4#
        • 2.Qb3#
      • 1...c2!
    • 1.Qa6+?
      • 1...Kb4
        • 2.Qxa4#
      • 1...Kd5!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Sce6#
      • 1...Qh3+
        • 2.Sxh3#
      • 1...Qg2+
        • 2.Sxg2#
      • 1...Kd4
        • 2.Qe4#
      • 1...Qxc8
        • 2.Sfe6#
      • 1...Qxf4
        • 2.Rxf4#
      • 1...Qe6
        • 2.Sfxe6#
        • 2.Scxe6#
      • 1...Qd7
        • 2.Sfe6#
      • 1...Qg7
        • 2.Sg6#
      • 1...Qg8
        • 2.Sg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 3
  • Sets
    • Q(g);OGATE::R1(B),XQ(g)
    • Q(g);OGATE::R(B),XQ(g)
    • P(e);N_GUARD::QAB1(G)
  • Tries
    • Try
      • R(H);
      • Threat
        • R(H),XP(e)
      • Refutation
        • P(c);
    • Try
      • Q(G);CHECK
      • Vars
        • K(f);P-FLIGHT::QAR1(G),XP(e)
      • Refutation
        • K(f);N_SPINQ(g),S_FLIGHT
  • Actual
    • S(F);N_PINQ(g)
    • Threat
      • R(H)+S(C)
    • Vars
      • Q(g);CHECK::R(B)+S(F),XQ(g)
      • K(f);P-FLIGHT::QAR1(G)
      • Q(g);XR(H)::R(B)+S(F)
      • Q(g);OGATE,P_SPINQ(g),XS(F)::R(B),XQ(g)
      • Q(g);::R(B)+S(F)
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).