MESON Chess Problem Database

Problem Display
PID: 148353 (8/b7/1p1Pp1p1/1P3bR1/2N1k1pn/Q1K1P1P1/B5p1/4R1B1 w - - 0 1)

Gundry, WH

British Chess Magazine, 1900

8/b7/1p1Pp1p1/1P3bR1/2N1k1pn/Q1K1P1P1/B5p1/4R1B1

#2

11 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.e4#
    • 1...Bb8
      • 2.Qa8#
    • 1...e5
      • 2.Sd2#
  • Tries
    • 1.Bb1+?
      • 1...Kd5
        • 2.Rd1#
        • 2.e4#
      • 1...Kf3!
    • 1.Rd1?
      • 1...Bb8
        • 2.Qa8#
      • 1...Sf3
        • 2.Bb1#
      • 1...e5
        • 2.Sd2#
      • 1...Kf3!
    • 1.Rxg4+?
      • 1...Kf3
        • 2.Se5#
      • 1...Kd5
        • 2.Rd4#
      • 1...Bxg4!
    • 1.Qa6?
      • threat
        • 2.Qb7#
      • 1...Kd5
        • 2.e4#
      • 1...Kf3!
    • 1.Qxa7?
      • threat
        • 2.Qb7#
        • 2.Qa8#
      • 1...Kd5
        • 2.e4#
      • 1...Kf3!
  • Keys
    • 1.Kc2!
      • 1...Kf3+
        • 2.e4#
      • 1...Kd5+
        • 2.e4#
      • 1...Bb8
        • 2.Qa8#
      • 1...Sf3
        • 2.Qd3#
      • 1...e5
        • 2.Sd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);OGATE,P_SPINB(e),S_FLIGHT::P(F)
    • B(i);OGATE::QAB(D)
    • P(g);SBLOCK::S(H)
  • Tries
    • Try
      • B(C);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(A);
      • Vars
        • B(i);OGATE::QAB(D)
        • S(d);SBLOCK::B(C)
        • P(g);SBLOCK::S(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(J);CHECK,XP(c)
      • Vars
        • K(b);S_FLIGHT::S(H)
        • K(b);OGATE,S_FLIGHT::R1(J)
      • Refutation
        • B(e);XR(J)
    • Try
      • Q(D);
      • Threat
        • QAB(D)
      • Vars
        • K(b);OGATE,P_SPINB(e),S_FLIGHT::P(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(D);XB(i)
      • Threat
        • DUALS(2)
      • Vars
        • K(b);OGATE,P_SPINB(e),S_FLIGHT::P(F)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • K(E);P-FLIGHT
    • Vars
      • K(b);CHECK,OGATE,S_FLIGHT::QAR(D)+P(F)
      • K(b);CHECK,OGATE,P_SPINB(e),S_FLIGHT::P(F)
      • B(i);OGATE::QAB(D)
      • S(d);SBLOCK::QAB1(D)
      • P(g);SBLOCK::S(H)
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