MESON Chess Problem Database

Problem Display
PID: 82506 (8/4n3/N2p4/3k4/Q3pR2/8/3P4/1bb4K w - - 0 1)

Havel, Miroslav

Svetozor, 1912

8/4n3/N2p4/3k4/Q3pR2/8/3P4/1bb4K

#2

5 + 6

6490 yacpdb 2009
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Ba2
      • 2.Qxe4#
  • Tries
    • 1.Qb5+?
      • 1...Ke6
        • 2.Sc7#
      • 1...Kd4!
  • Keys
    • 1.d4!
      • threat
        • 2.Sc7#
      • 1...Ke6
        • 2.Sc7#
      • 1...exd4 ep
        • 2.Qe4#

Anticipated by 181119(1904)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::QAB1(C),XP(c)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • K(d);S_FLIGHT::S(E)
      • Refutation
        • K(d);P-FLIGHT,P_SPINP(c)
  • Actual
    • P(B);
    • Threat
      • S(E)
    • Vars
      • K(d);S_FLIGHT::S(E)
      • P(c);EP,OGATE,XP(B)::QAB1(C)
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