MESON Chess Problem Database

Problem Display
PID: 35556 (3R4/4Q3/4B3/R4PB1/1q2k2K/1Pr2p2/2n5/8 w - - 0 1)

Kuznetsov, Anatoly Grigorievich

Shakhmatny Vestnik, 1993

3R4/4Q3/4B3/R4PB1/1q2k2K/1Pr2p2/2n5/8

#2

8 + 5

3705 Album Russia (1992-1994) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb3
      • 2.Bxb3#
      • 2.Bc4#
    • 1...Qa4
      • 2.Bc4#
      • 2.Bf7#
      • 2.Bc8#
      • 2.Bg8#
    • 1...Qc4
      • 2.Bxc4#
  • Tries
    • 1.Qb7+?
      • 1...Rc6
        • 2.Qxc6#
      • 1...Qxb7!
  • Keys
    • 1.Bd5+!
      • 1...Kd3+
        • 2.Bc4#
      • 1...Kd4
        • 2.Qe4#
      • 1...Kxf5+
        • 2.Be4#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • Q(d);N_GUARD::QAR(G)+B(F),XQ(d)
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::QAB(G),XR(b)
      • Refutation
        • Q(d);XQ(G)
  • Actual
    • B(F);CHECK
    • Vars
      • K(e);CHECK,S_FLIGHT::R(H)+B(F),DCHECK
      • K(e);P-FLIGHT::QAR1(G)
      • K(e);CHECK,S_FLIGHT,XP(D)::R(C)+B(F),DCHECK
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