MESON Chess Problem Database

Problem Display
PID: 202559 (5n1q/b2n2Q1/2B3N1/8/8/2B1kN1r/2K2p1R/8 w - - 0 1)

Dalton, William Robert Inge

Brisbane Courier, 1923

5n1q/b2n2Q1/2B3N1/8/8/2B1kN1r/2K2p1R/8

#2

7 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...f1Q
      • 2.Bd2#
    • 1...f1B
      • 2.Bd2#
    • 1...f1R
      • 2.Bd2#
  • Tries
    • 1.Bd4+?
      • 1...Ke2
        • 2.Rxf2#
      • 1...Bxd4!
  • Keys
    • 1.Sg1!
      • threat
        • 2.Bd2#
      • 1...Qxg7
        • 2.Rxh3#
      • 1...f1S
        • 2.Re2#
      • 1...Se5
        • 2.Qxa7#
      • 1...Sf6
        • 2.Qxa7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • P(a);::B(C)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(b);P-FLIGHT,P_SPINP(a)::R1(B),XP(a)
      • Refutation
        • B(d);XB(C)
  • Actual
    • S(D);
    • Threat
      • B(C)
    • Vars
      • Q(g);N_GUARD,XQ(G)::R(B),XR(c)
      • P(a);OGATE::R1(B)
      • S(e);OGATE::QAB(G),XB(d)
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Developed and maintained by Brian Stephenson.
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