MESON Chess Problem Database

Problem Display
PID: 141809 (8/8/4QN2/R7/2Rr2p1/bp1k4/3p4/2nK4 w - - 0 1)

Griffith, Thomas

Daily Mail, 1929

(First published on Fri Mar 22 1929)

8/8/4QN2/R7/2Rr2p1/bp1k4/3p4/2nK4

#2

5 + 7

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Qxe4#
    • 1...Rd5
      • 2.Qe4#
    • 1...Rd6
      • 2.Qe4#
    • 1...Rd7
      • 2.Qe4#
    • 1...Rd8
      • 2.Qe4#
    • 1...Sa2
      • 2.Qe2#
    • 1...Se2
      • 2.Qxe2#
  • Keys
    • 1.Sd5!
      • threat
        • 2.Rc3#
      • 1...Kxc4
        • 2.Qa6#
      • 1...Rxc4
        • 2.Qe3#
      • 1...Rxd5
        • 2.Qe4#
      • 1...Re4
        • 2.Qxe4#
      • 1...Rf4
        • 2.Sxf4#
      • 1...Bb2
        • 2.Sb4#
      • 1...Bb4
        • 2.Sxb4#
      • 1...Sa2
        • 2.Qe2#
      • 1...Se2
        • 2.Qxe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • R(f);N_GUARD::QAB1(D),XR(f)
    • R(f);N_GUARD::QAB1(D)
    • S(a);N_GUARD::QAB1(D)
    • S(a);N_GUARD::QAB1(D),XS(a)
  • Actual
    • S(E);
    • Threat
      • R1(B)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XR(B)::QAB(D)
      • R(f);SBLOCK,XR(B)::QAR1(D)
      • R(f);N_GUARD,XS(E)::QAB1(D)
      • R(f);N_GUARD::QAB1(D),XR(f)
      • R(f);N_GUARD::S(E),XR(f)
      • B(c);N_GUARD::S(E)
      • B(c);N_GUARD::S(E),XB(c)
      • S(a);N_GUARD::QAB1(D)
      • S(a);N_GUARD::QAB1(D),XS(a)
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