MESON Chess Problem Database

Problem Display
PID: 205483 (8/8/kbB5/5Q2/8/1PK5/5q2/8 w - - 0 1)

Soder, Rolf

Badische Neueste Nachrichten, 1992

8/8/kbB5/5Q2/8/1PK5/5q2/8

#2

4 + 3

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ba7
      • 2.Qb5#
  • Tries
    • 1.Qd3+?
      • 1...Ka5
        • 2.Qb5#
        • 2.b4#
      • 1...Ka7!
  • Keys
    • 1.Qc8+!
      • 1...Ka5
        • 2.b4#
      • 1...Ka7
        • 2.Qb7#
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(c);SBLOCK::QAB1(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • Q(C);CHECK
    • Vars
      • K(b);P-FLIGHT::P(A)
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