MESON Chess Problem Database

Problem Display
PID: 76423 (B6q/B6b/p1rpp3/Rn1kr1p1/1pNpn2R/1P3Q2/2K2p2/4b3 w - - 0 1)

Holladay, Edgar Dinwiddie

Comm., British Chess Magazine, 1944

B6q/B6b/p1rpp3/Rn1kr1p1/1pNpn2R/1P3Q2/2K2p2/4b3

#2

8 + 15

6232 Holladay Chess Problems 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Qxe4#
    • 1...d3+
      • 2.Qxd3#
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qxd4#
      • 1...Rf5
        • 2.Qxe4#
      • 1...Bc3
        • 2.Se3#
      • 1...Sd2
        • 2.Rxd4#
      • 1...Sc3
        • 2.Rxd4#
      • 1...Sg3
        • 2.Rxd4#
      • 1...Sc5
        • 2.Sb6#
      • 1...Sf6
        • 2.Rxd4#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • R(h);N_GUARD,S_CUTB(n)::QAB1(C),XS(e)
    • P(d);CHECK,OGATEB::QAR2(C),XP(d)
  • Actual
    • Q(C);N_PINS(e),P_PINP(d),P_PINS(f)
    • Threat
      • QAR1(C),XP(d)
    • Vars
      • R(h);N_GUARD,S_CUTB(n)::QAB1(C),XS(e)
      • B(a);N_PINS(D)::S(D)
      • S(e);OGATE,P_PINQ(C)::R1(E),XP(d)
      • S(e);N_PINS(D),OGATE,P_PINQ(C)::R1(E),XP(d)
      • S(e);N_PINS(D),N_SPINS(f),P_PINQ(C),SBLOCK::S(D)
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