MESON Chess Problem Database

Problem Display
PID: 259396 (qn3NQK/p1p2N2/np2P3/P1P1R1Pb/rR1b1kr1/3p4/3P4/3BB3 w - - 0 1)

Clark, Robert Winslow

Western Morning News, 1924

(First published on Sat May 17 1924)

qn3NQK/p1p2N2/np2P3/P1P1R1Pb/rR1b1kr1/3p4/3P4/3BB3

#2

13 + 12

15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg5
      • 2.Qxg5#
    • 1...Bg6
      • 2.Sxg6#
  • Tries
    • 1.Qh7?
      • threat
        • 2.Qf5#
      • 1...Qe4
        • 2.Qxe4#
      • 1...Bg6
        • 2.Sxg6#
      • 1...Rxg5!
  • Keys
    • 1.Qg6!
      • threat
        • 2.Qf5#
        • 2.Qf6#
      • 1...Rxg5
        • 2.Qxg5#
      • 1...Bxg6
        • 2.Sxg6#
      • 1...Qe4
        • 2.Qxe4#
      • 1...Sd7
        • 2.Qf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATE,XP(H)::QAB1(L),XR(e)
    • B(f);N_GUARD::S(K),XB(f)
  • Tries
    • Try
      • Q(L);
      • Threat
        • QAR1(L)
      • Vars
        • Q(k);N_GUARD,N_SPINB(c)::QAR1(L),XQ(k)
        • B(f);N_GUARD::S(K),XB(f)
      • Refutation
        • R(e);XP(H)
  • Actual
    • Q(L);
    • Threat
      • DUALS(2)
    • Vars
      • R(e);OGATE,XP(H)::QAB1(L),XR(e)
      • B(f);XQ(L)::S(K),XB(f)
      • Q(k);N_GUARD,N_SPINB(c)::QAR1(L),XQ(k)
      • S(l);P_PINS(K)::QAR1(L)
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