MESON Chess Problem Database

Problem Display
PID: 62679 (2Kn4/3B2bQ/1p1k2P1/R2N4/N1P1p1n1/8/5p2/B7 w - - 0 1)

Bainbridge, GE

Chess, 1944

2Kn4/3B2bQ/1p1k2P1/R2N4/N1P1p1n1/8/5p2/B7

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bxa1
      • 2.Qe7#
    • 1...Bb2
      • 2.Qe7#
    • 1...Bc3
      • 2.Qe7#
    • 1...Bd4
      • 2.Qe7#
    • 1...Be5
      • 2.Qe7#
    • 1...Bh6
      • 2.Qe7#
    • 1...Bh8
      • 2.Qe7#
    • 1...Sf6
      • 2.Qh2#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Sxe4#
      • 1...Bxa1
        • 2.Qe7#
      • 1...Bb2
        • 2.Qe7#
      • 1...Bc3
        • 2.Qe7#
      • 1...Bd4
        • 2.Qe7#
      • 1...Sf6
        • 2.Qh2#
      • 1...e3
        • 2.Se4#
      • 1...bxc5!
    • 1.Qxg7?
      • threat
        • 2.Qf8#
        • 2.Qe7#
      • 1...f1Q
        • 2.Qe7#
      • 1...f1R
        • 2.Qe7#
      • 1...Se6
        • 2.Qe7#
      • 1...Sf7
        • 2.Qf8#
      • 1...Sc6!
    • 1.c5+?
      • 1...Kxd5
        • 2.Sxb6#
      • 1...bxc5!
  • Keys
    • 1.Sac3!
      • threat
        • 2.Sxe4#
      • 1...Ke5
        • 2.Sb5#
      • 1...Bxc3
        • 2.Qe7#
      • 1...Bd4
        • 2.Qe7#
      • 1...Sf6
        • 2.Qh2#
      • 1...e3
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • B(f);OGATE,XB(A)::QAB1(H)
    • B(f);OGATE::QAB1(H)
    • S(c);N_GUARD,S_CUTB(f)::QAB(H)
  • Tries
    • Try
      • S(B);
      • Threat
        • S(B),XP(b)
      • Vars
        • B(f);OGATE,XB(A)::QAB1(H)
        • B(f);OGATE::QAB1(H)
        • S(c);N_GUARD,S_CUTB(f)::QAB(H)
        • P(b);::S(B)
      • Refutation
        • P(d);XS(B)
    • Try
      • Q(H);XB(f)
      • Threat
        • DUALS(2)
      • Vars
        • P(a);::QAB1(H)
        • S(g);::QAB1(H)
        • S(g);::QAB(H)
      • Refutation
        • S(g);
    • Try
      • P(C);CHECK
      • Vars
        • K(e);P-FLIGHT,XS(E)::S(B),XP(d)
      • Refutation
        • P(d);XP(C)
  • Actual
    • S(B);
    • Threat
      • S(B),XP(b)
    • Vars
      • K(e);S_FLIGHT::B(A)+S(B)
      • B(f);OGATE,XS(B)::QAB1(H)
      • B(f);OGATE::QAB1(H)
      • S(c);N_GUARD,S_CUTB(f)::QAB(H)
      • P(b);::S(B)
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