MESON Chess Problem Database

Problem Display
PID: 213911 (3bR1QB/3q3p/4np2/3pP3/3pk1Pn/2rN2P1/2NRP2K/3B4 w - - 0 1)

Bennett, Frank Harper

Il Due Mosse, 1956

3bR1QB/3q3p/4np2/3pP3/3pk1Pn/2rN2P1/2NRP2K/3B4

#2

12 + 10

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Sf3+
      • 2.exf3#
    • 1...Sf4
      • 2.Sf2#
    • 1...Sc5
      • 2.Sf2#
    • 1...Sg5
      • 2.Sf2#
    • 1...Sc7
      • 2.Sf2#
    • 1...Sg7
      • 2.Sf2#
    • 1...Sf8
      • 2.Sf2#
    • 1...fxe5
      • 2.Sf2#
    • 1...f5
      • 2.Sf2#
  • Keys
    • 1.Qg5!
      • threat
        • 2.Sf2#
      • 1...Sf3+
        • 2.exf3#
      • 1...Rxd3
        • 2.exd3#
      • 1...Sf5
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 8
  • Sets
    • S(d);CHECK,OGATE::P(D),XS(d)
    • S(f);::S(F)
    • P(g);XP(I)::S(F)
    • P(g);::S(F)
  • Actual
    • Q(K);
    • Threat
      • S(F)
    • Vars
      • S(d);CHECK,OGATE::P(D),XS(d)
      • R(a);OGATE,XS(F)::P(D),XR(a)
      • S(d);N_GUARD::QAB1(K),XS(d)
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