MESON Chess Problem Database

Problem Display
PID: 227670 (8/8/B7/1p6/k7/1p6/1K2p3/4Q3 w - - 0 1)

Beck, Gyula

Nepszava, 1926

8/8/B7/1p6/k7/1p6/1K2p3/4Q3

#2

3 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...b4
      • 2.Qa1#
  • Keys
    • 1.Qxe2!
      • threat
        • 2.Qxb5#
      • 1...Kb4
        • 2.Qxb5#
      • 1...Ka5
        • 2.Qxb5#
      • 1...b4
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(d);SBLOCK::QAR(A)
  • Actual
    • Q(A);XP(a)
    • Threat
      • QAB1(A),XP(d)
    • Vars
      • K(c);P-FLIGHT::QAR1(A),XP(d)
      • P(d);::QAB1(A)
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