MESON Chess Problem Database

Problem Display
PID: 45932 (8/4NN2/8/6KB/3kp3/8/2Q5/8 w - - 0 1)

Belchikov, Nikolai Ivanovich

Problem (Zagreb), 1972

8/4NN2/8/6KB/3kp3/8/2Q5/8

#2

5 + 2

4883 Still More Fun with Chess Miniatures 2002
5454 Near Snap 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ke3
      • 2.Sf5#
  • Tries
    • 1.Kg4?
      • 1...Ke3
        • 2.Sf5#
      • 1...e3!
    • 1.Sc6+?
      • 1...Ke3
        • 2.Qe2#
      • 1...Kd5!
    • 1.Se5?
      • 1...Ke3
        • 2.Sf5#
      • 1...e3
        • 2.Sf3#
        • 2.S5c6#
      • 1...Kxe5!
    • 1.Bd1?
      • 1...Ke3
        • 2.Sf5#
      • 1...e3!
    • 1.Be2?
      • 1...e3
        • 2.Qc4#
      • 1...Ke3!
    • 1.Bg4?
      • 1...Ke3
        • 2.Sf5#
      • 1...e3!
  • Keys
    • 1.Sd8!
      • 1...Ke3
        • 2.Sf5#
      • 1...Ke5
        • 2.Qc5#
      • 1...e3
        • 2.Sdc6#

This anticipates 23054(1996)

FEATURES

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