MESON Chess Problem Database

Problem Display
PID: 214509 (3Q4/q4N2/2N5/5b2/p3k3/4b1R1/3P4/3K4 w - - 0 1)

Wash, Benjamin S

Brownson's Chess Journal, 1877

3Q4/q4N2/2N5/5b2/p3k3/4b1R1/3P4/3K4

#2

6 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.Qd3#
      • 2.d3#
  • Tries
    • 1.Sg5+?
      • 1...Kf4
        • 2.Qd6#
      • 1...Bxg5!
    • 1.Rxe3+?
      • 1...Kf4
        • 2.Qg5#
      • 1...Qxe3!
    • 1.Qd5+?
      • 1...Kf4
        • 2.Qf3#
        • 2.Qe5#
      • 1...Kxd5!
  • Keys
    • 1.d3+!
      • 1...Kf4
        • 2.Qg5#
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(c);P-FLIGHT::QAB(F)
      • Refutation
        • B(a);XS(E)
    • Try
      • R(C);CHECK,XB(a)
      • Vars
        • K(c);P-FLIGHT::QAB1(F)
      • Refutation
        • Q(e);XR(C)
    • Try
      • Q(F);CHECK
      • Refutation
        • K(c);S_FLIGHT,XQ(F)
  • Actual
    • P(B);CHECK
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