MESON Chess Problem Database

Problem Display
PID: 132467 (8/1K2b3/2Np4/4p3/6R1/3k1b1R/1Q3p2/Bn3N1q w - - 0 1)

Peake, JL

The Field, 1957

(First published on Thu Apr 4 1957)

8/1K2b3/2Np4/4p3/6R1/3k1b1R/1Q3p2/Bn3N1q

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf1
      • 2.Rxf3#
    • 1...Qg1
      • 2.Rxf3#
    • 1...Qh2
      • 2.Rxf3#
    • 1...Sd2
      • 2.Qxd2#
    • 1...Sa3
      • 2.Qd2#
    • 1...Sc3
      • 2.Qd2#
    • 1...d5
      • 2.Sxe5#
  • Tries
    • 1.Ka6?
      • threat
        • 2.Sb4#
      • 1...Qxf1
        • 2.Rxf3#
      • 1...Sd2
        • 2.Qxd2#
      • 1...d5
        • 2.Sxe5#
      • 1...e4!
    • 1.Ka7?
      • threat
        • 2.Sb4#
      • 1...Qxf1
        • 2.Rxf3#
      • 1...Sd2
        • 2.Qxd2#
      • 1...d5
        • 2.Sxe5#
      • 1...e4!
    • 1.Kb8?
      • threat
        • 2.Sb4#
      • 1...Qxf1
        • 2.Rxf3#
      • 1...Sd2
        • 2.Qxd2#
      • 1...d5
        • 2.Sxe5#
      • 1...e4!
    • 1.Kc8?
      • threat
        • 2.Sb4#
      • 1...Qxf1
        • 2.Rxf3#
      • 1...Sd2
        • 2.Qxd2#
      • 1...d5
        • 2.Sxe5#
      • 1...e4!
  • Keys
    • 1.Qa2!
      • threat
        • 2.Qc4#
      • 1...Qxf1
        • 2.Rxf3#
      • 1...Sd2
        • 2.Qxd2#
      • 1...Sa3
        • 2.Qd2#
      • 1...Sc3
        • 2.Qd2#
      • 1...e4
        • 2.Sb4#
      • 1...d5
        • 2.Sxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • Q(b);N_GUARD,XS(B)::R(D),XB(e)
    • Q(b);N_GUARD::R(D),XB(e)
    • S(a);N_GUARD::QAR1(C),XS(a)
    • S(a);N_GUARD::QAR1(C)
    • P(g);N_PINS(F)::S(F),XP(f)
  • Tries
    • Try
      • K(G);N_SPINS(F),S_FLIGHT
      • Threat
        • S(F)
      • Vars
        • Q(b);N_GUARD,XS(B)::R(D),XB(e)
        • S(a);N_GUARD::QAR1(C),XS(a)
        • P(g);N_GUARD::S(F),XP(f)
      • Refutation
        • P(f);
    • Try
      • K(G);N_SPINS(F),P-FLIGHT
      • Threat
        • S(F)
      • Vars
        • Q(b);N_GUARD,XS(B)::R(D),XB(e)
        • S(a);N_GUARD::QAR1(C),XS(a)
        • P(g);N_GUARD::S(F),XP(f)
      • Refutation
        • P(f);
    • Try
      • K(G);N_SPINS(F),P-FLIGHT
      • Threat
        • S(F)
      • Vars
        • Q(b);N_GUARD,XS(B)::R(D),XB(e)
        • S(a);N_GUARD::QAR1(C),XS(a)
        • P(g);N_GUARD::S(F),XP(f)
      • Refutation
        • P(f);
    • Try
      • K(G);N_SPINS(F),S_FLIGHT
      • Threat
        • S(F)
      • Vars
        • Q(b);N_GUARD,XS(B)::R(D),XB(e)
        • S(a);N_GUARD::QAR1(C),XS(a)
        • P(g);N_GUARD::S(F),XP(f)
      • Refutation
        • P(f);
  • Actual
    • Q(C);
    • Threat
      • QAB1(C)
    • Vars
      • Q(b);N_GUARD,XS(B)::R(D),XB(e)
      • S(a);N_GUARD::QAR1(C),XS(a)
      • S(a);N_GUARD::QAR1(C)
      • P(f);N_PINS(F)::S(F)
      • P(g);N_PINS(F)::S(F),XP(f)
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