MESON Chess Problem Database

Problem Display
PID: 56786 (1N6/8/1pP1K3/2k3P1/prp1R1p1/1p6/4bp2/7Q w - - 0 1)

Timonin, Vladimir Ilich

1st Prize, Leninskaya nimb, 1968

1N6/8/1pP1K3/2k3P1/prp1R1p1/1p6/4bp2/7Q

#2

6 + 9

3772 FIDE Album (1965-1967) 1976

SOLUTION

  • SOUND
  • Sets
    • 1...Kb5
      • 2.Re5#
  • Tries
    • 1.Rf4?
      • threat
        • 2.Qd5#
      • 1...Kb5
        • 2.Rf5#
        • 2.Qd5#
      • 1...Rb5
        • 2.Sa6#
      • 1...b5
        • 2.Sd7#
      • 1...Bf3!
    • 1.Qh2?
      • threat
        • 2.Qe5#
      • 1...Kb5
        • 2.Re5#
        • 2.Qe5#
      • 1...Rb5
        • 2.Qd6#
      • 1...b5
        • 2.Qxf2#
      • 1...g3!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Qe5#
      • 1...Kb5
        • 2.Re5#
        • 2.Qe5#
      • 1...Rb5
        • 2.Qf8#
      • 1...b5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • K(h);P-FLIGHT::R(B)
  • Tries
    • Try
      • R(B);
      • Threat
        • QAR1(A)
      • Vars
        • R(e);SBLOCK::S(F)
        • P(i);SBLOCK::S(F)
      • Refutation
        • B(a);
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Vars
        • R(e);SBLOCK::QAB1(A)
        • P(i);SBLOCK::QAB(A),XP(b)
      • Refutation
        • P(g);
  • Actual
    • Q(A);
    • Threat
      • QAR2(A)
    • Vars
      • R(e);SBLOCK::QAB(A)
      • P(i);SBLOCK::QAB1(A)
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