MESON Chess Problem Database

Problem Display
PID: 229803 (8/8/1pK1ppB1/N3k3/r1P1Pp2/P1Ppp3/1Bb1PrQ1/8 w - - 0 1)

Markwick, Frederick W

Southend Times, 1937

(First published on Wed May 19 1937)

8/8/1pK1ppB1/N3k3/r1P1Pp2/P1Ppp3/1Bb1PrQ1/8

#2

10 + 10

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rb4
      • 2.cxb4#
    • 1...Rxc4+
      • 2.Sxc4#
    • 1...f3
      • 2.Qg3#
  • Keys
    • 1.c5!
      • threat
        • 2.c4#
      • 1...Rxa3
        • 2.Sc4#
      • 1...Rxe4
        • 2.Qxe4#
      • 1...f3
        • 2.Qg3#
      • 1...Rb4
        • 2.cxb4#
      • 1...Rc4
        • 2.Sxc4#
      • 1...Rd4
        • 2.cxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATE::B(A)+P(E),XR(e)
    • R(e);CHECK,XP(F)::S(H),XR(e)
    • P(f);OGATEB::QAB(C)
  • Actual
    • P(F);
    • Threat
      • B(A)+P(E)
    • Vars
      • R(e);N_GUARD,XP(D)::S(H)
      • R(e);OGATE,XP(G)::QAR1(C),XR(e)
      • P(f);OGATEB::QAB(C)
      • R(e);OGATE::B(A)+P(E),XR(e)
      • R(e);N_GUARD,P_PINP(F)::S(H),XR(e)
      • R(e);OGATE::P(E),XR(e)
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