MESON Chess Problem Database

Problem Display
PID: 38983 (5Q2/8/4N3/6N1/6K1/1B1pk3/8/8 w - - 0 1)

Pletenev, Nikolai Alexeyevich

Shakhmaty (Riga), 1985

5Q2/8/4N3/6N1/6K1/1B1pk3/8/8

#2

5 + 2

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...d2
      • 2.Qf3#
  • Tries
    • 1.Kg3?
      • threat
        • 2.Qf2#
      • 1...Ke2
        • 2.Qf2#
      • 1...d2
        • 2.Qf3#
      • 1...Kd2!
    • 1.Sh3?
      • 1...Ke2
        • 2.Qf2#
      • 1...Ke4
        • 2.Qf4#
      • 1...d2
        • 2.Qf3#
      • 1...Kd2!
    • 1.Bd1?
      • threat
        • 2.Qf4#
      • 1...d2
        • 2.Qf3#
      • 1...Kd2!
    • 1.Qf1?
      • threat
        • 2.Qe1#
      • 1...d2
        • 2.Qf3#
      • 1...Kd2!
  • Keys
    • 1.Se4!
      • threat
        • 2.Qf3#
      • 1...Ke2
        • 2.Qf2#
      • 1...Kxe4
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • P(a);SBLOCK::QAR1(E)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Threat
        • QAB1(E)
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
        • P(a);SBLOCK::QAR1(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • K(b);P-FLIGHT::QAR1(E)
        • P(a);SBLOCK::QAR1(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(A);
      • Threat
        • QAB1(E)
      • Vars
        • P(a);SBLOCK::QAR1(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(E);
      • Threat
        • QAR2(E)
      • Vars
        • P(a);SBLOCK::QAR1(E)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(C);
    • Threat
      • QAR1(E)
    • Vars
      • K(b);P-FLIGHT::QAR1(E)
      • K(b);P-FLIGHT,XS(C)::QAR1(E)
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