MESON Chess Problem Database

Problem Display
PID: 153472 (N2n4/2R1R1B1/4b3/2pk4/P2p3Q/3n4/P3B3/1K6 w - - 0 1)

Betts, Frederick Charles

Falkirk Herald, 1914

(First published on Sat Apr 25 1914)

N2n4/2R1R1B1/4b3/2pk4/P2p3Q/3n4/P3B3/1K6

#2

9 + 6

15351 SCPF/BCPS Black Books 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qxd4#
    • 1...c4
      • 2.Qxd4#
  • Tries
    • 1.Bf3+?
      • 1...Kc4
        • 2.Qxd4#
      • 1...Kd6!
    • 1.Red7+?
      • 1...Kc4
        • 2.Qxd4#
      • 1...Bxd7!
    • 1.Qf4?
      • threat
        • 2.Sb6#
      • 1...Kc4
        • 2.Qxd4#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sxf4!
  • Keys
    • 1.Qf6!
      • 1...Kc4
        • 2.Qxd4#
      • 1...Ke4
        • 2.Qf3#
      • 1...Kd6
        • 2.Red7#
      • 1...Bh3
        • 2.Sb6#
      • 1...Bg4
        • 2.Sb6#
      • 1...Bf5
        • 2.Sb6#
      • 1...Bd7
        • 2.Sb6#
      • 1...Bf7
        • 2.Sb6#
      • 1...Bc8
        • 2.Sb6#
      • 1...Bg8
        • 2.Sb6#
      • 1...Sc1
        • 2.Qe5#
      • 1...Se1
        • 2.Qe5#
      • 1...Sb2
        • 2.Qe5#
      • 1...Sf2
        • 2.Qe5#
      • 1...Sb4
        • 2.Qe5#
      • 1...Sf4
        • 2.Qe5#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sc6
        • 2.Qxe6#
      • 1...Sb7
        • 2.Qxe6#
      • 1...Sf7
        • 2.Qxe6#
      • 1...c4
        • 2.Qxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 19
    • REMOVED MATES = 0
  • Sets
    • K(d);P_SPINP(b),P_SPINS(a),S_FLIGHT::QAR1(E),XP(b)
    • P(c);N_GUARD::QAR1(E),XP(b)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(d);P_SPINP(b),S_FLIGHT::QAR1(E),XP(b)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • R(G);CHECK
      • Vars
        • K(d);P_SPINP(b),P_SPINS(a),S_FLIGHT::QAR1(E),XP(b)
      • Refutation
        • B(e);XR(G)
    • Try
      • Q(E);
      • Threat
        • S(I)
      • Vars
        • K(d);P_SPINP(b),P_SPINS(a),S_FLIGHT::QAR1(E),XP(b)
        • S(a);N_GUARD::QAR1(E),XS(a)
      • Refutation
        • S(a);XQ(E)
  • Actual
    • Q(E);
    • Vars
      • K(d);P_SPINP(c),P_SPINS(a),S_FLIGHT::QAR1(E),XP(b)
      • K(d);P_SPINB(e),S_FLIGHT::QAB1(E)
      • K(d);P-FLIGHT,P_SPINB(e)::R1(G)
      • B(e);::S(I)
      • S(a);N_GUARD::QAR1(E)
      • S(a);N_GUARD::QAR1(E),XS(a)
      • S(f);N_GUARD::QAB1(E),XB(e)
      • P(c);N_GUARD::QAR1(E),XP(b)
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