MESON Chess Problem Database

Problem Display
PID: 178232 (4Q3/6p1/B4k2/8/4KB2/4n3/8/8 w - - 0 1)

Kostylev, Mikhail Romanovich

Melnichuk, Aleksandr Nikolaevich

Vratnica-64, 2007

4Q3/6p1/B4k2/8/4KB2/4n3/8/8

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...g5
      • 2.Be5#
  • Tries
    • 1.Bxe3?
      • 1...g5
        • 2.Bd4#
      • 1...g6!
    • 1.Qf8+?
      • 1...Ke6
        • 2.Bc8#
      • 1...Kg6!
  • Keys
    • 1.Bc8!
      • threat
        • 2.Qe6#
      • 1...g5
        • 2.Be5#
      • 1...g6
        • 2.Qf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • P(c);SBLOCK::B(B)
  • Tries
    • Try
      • B(B);XS(a)
      • Vars
        • P(c);SBLOCK::B(B)
      • Refutation
        • P(c);
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);P-FLIGHT::B(C)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • B(C);
    • Threat
      • QAR1(D)
    • Vars
      • P(c);SBLOCK::B(B)
      • P(c);SBLOCK::QAR2(D)
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