MESON Chess Problem Database

Problem Display
PID: 275867 (K1N1B3/2Q2P2/N1pn4/2nqp3/R2pk3/5R2/6P1/8 w - - 0 1)

Easter, Norris

Western Morning News, 1926

(First published on Sat May 29 1926)

K1N1B3/2Q2P2/N1pn4/2nqp3/R2pk3/5R2/6P1/8

#2

9 + 7

15239 Valois Notebooks 2024

SOLUTION

  • SOUND
  • Keys
    • 1.Qxc6!
      • threat
        • 2.Sxc5#
        • 2.Sxd6#
      • 1...Qxc6+
        • 2.Bxc6#
      • 1...Sxa4
        • 2.Sxd6#
      • 1...Sxa6
        • 2.Sxd6#
      • 1...Sxf7
        • 2.Sxc5#
      • 1...Sxc8
        • 2.Sxc5#
      • 1...Sxe8
        • 2.Sxc5#
      • 1...Sb3
        • 2.Sxd6#
      • 1...Sd3
        • 2.Sxd6#
      • 1...Se6
        • 2.Sxd6#
      • 1...Scb7
        • 2.Qc2#
      • 1...Sd7
        • 2.Sxd6#
      • 1...Sc4
        • 2.Sxc5#
      • 1...Sb5
        • 2.Sxc5#
      • 1...Sf5
        • 2.Sxc5#
      • 1...Sdb7
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(E);P_PINQ(d),P_SPINQ(E),XP(f)
    • Threat
      • DUALS(2)
    • Vars
      • Q(d);CHECK,N_SPINQ(d),OGATE,XQ(E)::B(I),XQ(d)
      • S(c);N_SPINP(a),XR(C)::S(H),XS(g)
      • S(c);XS(D)::S(H),XS(g)
      • S(g);XP(F)::S(D),XS(c)
      • S(g);XS(H)::S(D),XS(c)
      • S(g);XB(I)::S(D),XS(c)
      • S(c);::S(H),XS(g)
      • S(c);N_PINQ(E)::QAB(E)
      • S(g);N_SPINP(a)::S(D),XS(c)
      • S(g);::S(D),XS(c)
      • S(g);N_PINQ(E)::QAB(E)
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