MESON Chess Problem Database

Problem Display
PID: 250436 (6N1/8/1KPk4/4pbr1/1p2n1P1/6B1/B3r3/2Q5 w - - 0 1)

Turner, WH

Manchester Evening News, 1925

(First published on Sat Apr 25 1925)

6N1/8/1KPk4/4pbr1/1p2n1P1/6B1/B3r3/2Q5

#2

7 + 7

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sd2
      • 2.Qc5#
    • 1...Sf2
      • 2.Qc5#
    • 1...Sxg3
      • 2.Qc5#
    • 1...Sc5
      • 2.Qxc5#
    • 1...Sf6
      • 2.Qc5#
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qxe5#
      • 1...Bxg4
        • 2.Qf8#
      • 1...Sxg3
        • 2.Qxb4#
      • 1...exf4
        • 2.Bxf4#
      • 1...Be6
        • 2.Qf8#
      • 1...Bg6
        • 2.Qf8#
      • 1...Bd7
        • 2.Qf8#
      • 1...Bh7
        • 2.Qf8#
      • 1...Bc8
        • 2.Qf8#
      • 1...Sd2
        • 2.Qxb4#
        • 2.Qd4#
      • 1...Sf2
        • 2.Qxb4#
        • 2.Qd4#
      • 1...Sc3
        • 2.Qxb4#
      • 1...Sc5
        • 2.Qd4#
      • 1...Sf6
        • 2.Qxb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 8
    • REMOVED MATES = 2
  • Sets
    • S(c);N_GUARD::QAB1(A)
    • S(c);N_GUARD,N_SPINP(d),XB(C)::QAB1(A)
    • S(c);N_GUARD::QAB1(A),XS(c)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A),XP(d)
    • Vars
      • B(e);OGATE,XP(D)::QAB(A)
      • S(c);OGATE,XB(C)::QAB(A),XP(b)
      • P(d);OGATE,XQ(A)::B(C),XP(d)
      • B(e);OGATE::QAB(A)
      • S(c);OGATE::QAB(A),XP(b)
      • S(c);OGATE::QAR2(A)
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