MESON Chess Problem Database

Problem Display
PID: 104561 (8/5N2/8/r3pp2/2Q1bkB1/3p3P/3P3K/8 w - - 0 1)

Riczu, Lajos

Boletim da UBP, 1968

8/5N2/8/r3pp2/2Q1bkB1/3p3P/3P3K/8

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qh6#
      • 1...fxg4
        • 2.Qxg4#
      • 1...Bh1
        • 2.Qxf5#
      • 1...Bg2
        • 2.Qxf5#
      • 1...Bf3
        • 2.Qxf5#
      • 1...Bd5
        • 2.Qxf5#
        • 2.Qxe5#
      • 1...Bc6
        • 2.Qxf5#
      • 1...Bb7
        • 2.Qxf5#
      • 1...Ba8
        • 2.Qxf5#
      • 1...Ra6
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(D);N_PINB(b)
    • Threat
      • QAB(D)
    • Vars
      • P(f);OGATE,XB(E)::QAR1(D),XP(f)
      • B(b);N_GUARD::QAR1(D),XP(f)
      • R(d);N_GUARD::QAB1(D),XP(e)
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