MESON Chess Problem Database

Problem Display
PID: 233323 (8/6R1/2k5/1p6/1B6/3B4/1p6/1Q5K w - - 0 1)

Neyndorff, Luke

Chess Life, 1986

8/6R1/2k5/1p6/1B6/3B4/1p6/1Q5K

#2

5 + 3

5454 Near Snap 2021
15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bf1?
      • 1...Kb6
        • 2.Qg6#
      • 1...Kd5!
    • 1.Be2?
      • 1...Kb6
        • 2.Qg6#
      • 1...Kd5!
    • 1.Bc4?
      • threat
        • 2.Qg6#
      • 1...Kb6
        • 2.Qg6#
      • 1...bxc4!
    • 1.Bf5?
      • 1...Kd5
        • 2.Qe4#
      • 1...Kb6!
    • 1.Bg6?
      • 1...Kd5
        • 2.Qe4#
      • 1...Kb6!
    • 1.Qxb2?
      • 1...Kb6
        • 2.Qf6#
      • 1...Kd5!
  • Keys
    • 1.Bh7!
      • 1...Kd5
        • 2.Qe4#
      • 1...Kb6
        • 2.Qg6#

This anticipates 244326(1989)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);
      • Vars
        • K(c);P-FLIGHT::QAR(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(c);P-FLIGHT::QAR(A)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • QAR(A)
      • Vars
        • K(c);P-FLIGHT::QAR(A)
      • Refutation
        • P(b);XB(C)
    • Try
      • B(C);
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • B(C);
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);XP(a)
      • Vars
        • K(c);P-FLIGHT::QAR(A)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(c);S_FLIGHT::QAB1(A)
      • K(c);P-FLIGHT::QAR(A)
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