MESON Chess Problem Database

Problem Display
PID: 36054 (b2N4/2bQ4/6R1/1Rq1B2B/2N1kp2/1P2P3/8/7K w - - 0 1)

Dikusarov, Andrey Nikolayovich

2/3 Prize, Vecherni Novosibirsk, 1963

b2N4/2bQ4/6R1/1Rq1B2B/2N1kp2/1P2P3/8/7K

#2

10 + 5

3747 FIDE Album (1962-1964) 1968

SOLUTION

  • SOUND
  • Sets
    • 1...f3
      • 2.Rg4#
  • Tries
    • 1.Qf5+?
      • 1...Kd5
        • 2.Bd6#
        • 2.Bxc7#
        • 2.Bf3#
        • 2.Qd3#
        • 2.e4#
      • 1...Kxf5+!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Rd6#
      • 1...Kd3+
        • 2.Rc6#
      • 1...Kf5+
        • 2.Rg2#
      • 1...Kd5
        • 2.Bf3#
      • 1...Qxc4
        • 2.Rg3#
      • 1...Qxe5
        • 2.Re6#
      • 1...Qd6
        • 2.Rxd6#
        • 2.Re6#
        • 2.Rf6#
      • 1...Qe7
        • 2.Rg7#
      • 1...Qf8
        • 2.Rf6#
      • 1...Bd6
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • P(b);OGATEB,SBLOCK::R(H)
  • Tries
    • Try
      • Q(I);CHECK
      • Refutation
        • K(a);CHECK,S_FLIGHT,XQ(I)
  • Actual
    • Q(I);
    • Threat
      • QAB(I)+R(H)
    • Vars
      • K(a);CHECK,S_FLIGHT::QAB(I)+R(H)
      • K(a);P_SPINQ(c),S_FLIGHT::B(G)
      • Q(c);XS(D)::QAB(I)+R(H)
      • Q(c);XB(F)::QAB(I)+R(H)
      • Q(c);::QAB(I)+R(H)
      • B(d);::QAB(I)+R(H),XB(d)
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