MESON Chess Problem Database

Problem Display
PID: 189680 (8/3K4/5Bk1/6P1/2B5/8/Q7/8 w - - 0 1)

Schlund, H

Source?, 1912

8/3K4/5Bk1/6P1/2B5/8/Q7/8

#2

5 + 1

5454 Near Snap 2019
6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kh7
      • 2.Bd3#
      • 2.Qb1#
      • 2.Qc2#
  • Tries
    • 1.Be2?
      • 1...Kh7
        • 2.Bd3#
        • 2.Qf7#
      • 1...Kf5!
    • 1.Be6?
      • 1...Kh7
        • 2.Bf5#
        • 2.Qb1#
        • 2.Qc2#
      • 1...Kh5!
    • 1.Bf7+?
      • 1...Kh7
        • 2.Qb1#
        • 2.Qc2#
        • 2.Qh2#
      • 1...Kf5!
    • 1.Qe2?
      • 1...Kh7
        • 2.Qd3#
        • 2.Qh5#
        • 2.Qc2#
        • 2.Qe4#
      • 1...Kf5!
    • 1.Qf2?
      • 1...Kh7
        • 2.Qc2#
        • 2.Qf5#
      • 1...Kh5!
    • 1.Qa5?
      • 1...Kh7
        • 2.Qf5#
      • 1...Kh5!
  • Keys
    • 1.Qa4!
      • 1...Kf5
        • 2.Bd3#
      • 1...Kh5
        • 2.Bf7#
      • 1...Kh7
        • 2.Qc2#

Anticipated by 4744(1890)

This anticipates 157400(1924), 161747(1973), 161687(1987)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::B(B)
      • K(a);S_FLIGHT::QAB(A)
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