MESON Chess Problem Database

Problem Display
PID: 157946 (8/5KN1/8/8/5Pkn/3Q4/8/7R w - - 0 1)

Antipov, Viacheslav Pavlovich

Minimat, 1986

8/5KN1/8/8/5Pkn/3Q4/8/7R

#2

5 + 2

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Tries
    • 1.Se6?
      • 1...Kh5
        • 2.Qg6#
      • 1...Sg2
        • 2.Qh3#
      • 1...Sf5
        • 2.Qh3#
      • 1...Sg6
        • 2.Qh3#
      • 1...Sf3!
    • 1.Rh3?
      • threat
        • 2.Qg3#
      • 1...Sf3
        • 2.Qf5#
        • 2.Qxf3#
      • 1...Sf5
        • 2.Qxf5#
        • 2.Qf3#
      • 1...Kxf4!
  • Keys
    • 1.Sh5!
      • 1...Kxh5
        • 2.Qg6#
      • 1...Sg2
        • 2.Qh3#
      • 1...Sf3
        • 2.Qd7#
      • 1...Sf5
        • 2.Qe2#
        • 2.Qd1#
        • 2.Qh3#
      • 1...Sg6
        • 2.Qh3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • K(a);P_SPINS(b),S_FLIGHT::QAB1(B)
        • S(b);::QAB1(B)
        • S(b);SBLOCK::QAB1(B)
      • Refutation
        • S(b);
    • Try
      • R(A);
      • Threat
        • QAR1(B)
      • Refutation
        • K(a);P-FLIGHT,XP(C)
  • Actual
    • S(E);
    • Vars
      • K(a);P_SPINS(b),S_FLIGHT,XS(E)::QAB1(B)
      • S(b);::QAB1(B)
      • S(b);N_GUARD,SBLOCK::QAB(B)
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