MESON Chess Problem Database

Problem Display
PID: 114701 (4k1n1/3pPpp1/8/4Rp2/8/2Kp4/3Q4/8 w - - 0 1)

Aleksandrov, Vladimir Aleksandrovich

Apprenti Sorcier, 1992

4k1n1/3pPpp1/8/4Rp2/8/2Kp4/3Q4/8

#2

4 + 7

6490 yacpdb 2009
15148 Sadier Collection 2015

SOLUTION

  • SOUND
  • Tries
    • 1.Qb2?
      • threat
        • 2.Qb8#
      • 1...d5
        • 2.Qb5#
      • 1...d6
        • 2.Qb5#
      • 1...f6!
    • 1.Qg2?
      • threat
        • 2.Qa8#
      • 1...d6
        • 2.Qc6#
      • 1...f6
        • 2.Qg6#
      • 1...d5!
  • Keys
    • 1.Qa2!
      • threat
        • 2.Qa8#
      • 1...d5
        • 2.Qa4#
      • 1...d6
        • 2.Qa4#
      • 1...f6
        • 2.Qxg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • P(c);OGATEB::QAB(A)
      • Refutation
        • P(d);
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • P(c);OGATEB::QAB(A)
        • P(d);OGATEB::QAB(A)
      • Refutation
        • P(c);
  • Actual
    • Q(A);
    • Threat
      • QAR(A)
    • Vars
      • P(c);OGATEB::QAB(A)
      • P(d);OGATE::QAR2(A),XS(g)
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