MESON Chess Problem Database

Problem Display
PID: 214532 (2B5/8/4p2K/3p3p/1P2k3/R1Bp2Q1/8/8 w - - 0 1)

Nix, John Gilbert

Cincinnati Commercial, 1880

2B5/8/4p2K/3p3p/1P2k3/R1Bp2Q1/8/8

#2

6 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf5
      • 2.Qf3#
  • Tries
    • 1.Kg5?
      • threat
        • 2.Qf4#
      • 1...d4
        • 2.Bb7#
      • 1...e5
        • 2.Bf5#
      • 1...d2!
    • 1.Bd2?
      • threat
        • 2.Qf4#
      • 1...Kd4
        • 2.Qf4#
      • 1...Kf5
        • 2.Qf4#
      • 1...e5
        • 2.Qxd3#
        • 2.Qe3#
      • 1...d4!
    • 1.Be5?
      • threat
        • 2.Qf4#
      • 1...Kf5
        • 2.Qf4#
      • 1...d4!
    • 1.Ba6?
      • threat
        • 2.Bxd3#
      • 1...Kf5
        • 2.Bxd3#
        • 2.Qf3#
      • 1...d2
        • 2.Bd3#
      • 1...d4!
    • 1.Qe3+?
      • 1...Kf5
        • 2.Bxe6#
        • 2.Qf3#
      • 1...Kxe3!
  • Keys
    • 1.Bd4!
      • 1...Kxd4
        • 2.Qf4#
      • 1...Kf5
        • 2.Qf3#
      • 1...d2
        • 2.Qe5#
      • 1...h4
        • 2.Qg4#
      • 1...e5
        • 2.Qe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(b);P_SPINP(e),S_FLIGHT::QAR2(C)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Threat
        • QAR1(C)
      • Vars
        • P(c);OGATEB::B(F)
        • P(e);OGATE::B(F)
      • Refutation
        • P(a);
    • Try
      • B(B);
      • Threat
        • QAR1(C)
      • Vars
        • K(b);P-FLIGHT::QAR2(C)
        • K(b);P_SPINP(e),S_FLIGHT::QAR1(C)
      • Refutation
        • P(c);
    • Try
      • B(B);
      • Threat
        • QAR1(C)
      • Vars
        • K(b);P_SPINP(e),S_FLIGHT::QAR1(C)
      • Refutation
        • P(c);
    • Try
      • B(F);
      • Threat
        • B(F),XP(a)
      • Vars
        • P(a);::B(F)
      • Refutation
        • P(c);
    • Try
      • Q(C);CHECK
      • Refutation
        • K(b);P-FLIGHT,XQ(C)
  • Actual
    • B(B);
    • Vars
      • K(b);P-FLIGHT,XB(B)::QAR2(C)
      • K(b);P_SPINP(e),S_FLIGHT::QAR2(C)
      • P(a);::QAR1(C)
      • P(d);N_GUARD::QAR2(C)
      • P(e);::QAR1(C)
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Developed and maintained by Brian Stephenson.
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