MESON Chess Problem Database

Problem Display
PID: 254647 (5b2/2qp1Q1p/1nr1n1p1/1r3N2/1Rb2k1B/7P/4R3/5K1B w - - 0 1)

Eaton, Vincent Lanius

1st Prize, Wiener Schachzeitung, 1936

5b2/2qp1Q1p/1nr1n1p1/1r3N2/1Rb2k1B/7P/4R3/5K1B

#2

8 + 11

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb4
      • 2.Sg3#
      • 2.Sd4#
      • 2.Sd6#
      • 2.Sh6#
      • 2.Se7#
      • 2.Sg7#
    • 1...Bc5
      • 2.Sg3#
      • 2.Sd4#
      • 2.Sd6#
      • 2.Sh6#
      • 2.Se7#
      • 2.Sg7#
    • 1...Sc5
      • 2.Sd6#
    • 1...Sg5
      • 2.Bg3#
    • 1...g5
      • 2.Bg3#
    • 1...d5
      • 2.Se7#
  • Tries
    • 1.Rxc4+?
      • 1...Sxc4
        • 2.Re4#
      • 1...Sd4
        • 2.Re4#
        • 2.Rxd4#
      • 1...Rxc4!
    • 1.Qxg6?
      • threat
        • 2.Bg3#
        • 2.Qg4#
      • 1...Sg5
        • 2.Bg3#
        • 2.Bxg5#
        • 2.Qxg5#
      • 1...h5
        • 2.Bg3#
      • 1...hxg6!
  • Keys
    • 1.Kg1!
      • threat
        • 2.Re4#
      • 1...Bc5+
        • 2.Sd4#
      • 1...Qe5
        • 2.Rf2#
      • 1...Re5
        • 2.Rf2#
      • 1...Sc5
        • 2.Sd6#
      • 1...Sg5
        • 2.Bg3#
      • 1...d5
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • S(f);S_CUTR(c)::QAR(H)+S(G)
    • S(f);SBLOCK::B(F)
    • P(g);SBLOCK::B(F)
    • P(i);S_CUTR(c)::QAR(H)+S(G)
  • Tries
    • Try
      • R(E);CHECK,N_SPINR(C),XB(a)
      • Vars
        • S(d);XR(E)::R1(C)
      • Refutation
        • R(e);XR(E)
    • Try
      • Q(H);XP(g)
      • Threat
        • DUALS(2)
      • Vars
        • P(j);::B(F)
      • Refutation
        • P(j);XQ(H)
  • Actual
    • K(A);N_SPINR(C),P-FLIGHT
    • Threat
      • R1(C)
    • Vars
      • B(k);CHECK,S_CUTR(c)::QAR(H)+S(G)
      • Q(h);SBLOCK::R(C)
      • R(c);SBLOCK::R(C)
      • S(f);S_CUTR(c)::QAR(H)+S(G)
      • S(f);SBLOCK::B(F)
      • P(i);S_CUTR(c)::QAR(H)+S(G)
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).