MESON Chess Problem Database

Problem Display
PID: 172370 (7Q/8/3K2p1/6k1/3N2n1/8/8/7R w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1997

7Q/8/3K2p1/6k1/3N2n1/8/8/7R

#2

4 + 3

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Sf2
      • 2.Qh4#
    • 1...Se3
      • 2.Qh4#
    • 1...Se5
      • 2.Qh4#
    • 1...Sf6
      • 2.Qh4#
  • Keys
    • 1.Rh4!
      • 1...Kf4
        • 2.Qe5#
      • 1...Sf2
        • 2.Qd8#
      • 1...Sh2
        • 2.Qd8#
      • 1...Se3
        • 2.Qd8#
      • 1...Se5
        • 2.Qd8#
      • 1...Sf6
        • 2.Qh6#
      • 1...Sh6
        • 2.Qd8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 4
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(a);::QAB1(D)
    • S(a);SBLOCK::QAB1(D)
  • Actual
    • R(A);
    • Vars
      • K(b);P_SPINS(a),S_FLIGHT::QAB1(D)
      • S(a);N_GUARD::QAB(D)
      • S(a);N_GUARD,SBLOCK::QAB1(D)
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