MESON Chess Problem Database

Problem Display
PID: 151789 (8/1p6/8/1k6/1N2Q3/8/6B1/4B2K w - - 0 1)

Aleksandrov, Vladimir Aleksandrovich

Shakhmatnaya kompozitsiya, 2010

8/1p6/8/1k6/1N2Q3/8/6B1/4B2K

#2

5 + 2

15148 Sadier Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3?
      • 1...Ka6
        • 2.Qxb7#
      • 1...Kb6
        • 2.Qxb7#
      • 1...b6!
    • 1.Qc6+?
      • 1...Ka5
        • 2.Sa2#
        • 2.Sc2#
        • 2.Sd3#
        • 2.Sd5#
        • 2.Sa6#
      • 1...bxc6!
    • 1.Qe5+?
      • 1...Kc4
        • 2.Qd5#
      • 1...Kb6
        • 2.Bf2#
      • 1...Ka4!
  • Keys
    • 1.Sa6!
      • 1...Kxa6
        • 2.Qxb7#
      • 1...Kb6
        • 2.Qxb7#
      • 1...bxa6
        • 2.Qc6#
        • 2.Qb4#
      • 1...b6
        • 2.Bf1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Vars
        • K(a);S_FLIGHT::QAB1(E),XP(b)
        • K(a);P-FLIGHT::QAR1(E),XP(b)
      • Refutation
        • P(b);
    • Try
      • Q(E);CHECK
      • Refutation
        • P(b);XQ(E)
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);S_FLIGHT::QAB1(E)
        • K(a);P-FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(a);S_FLIGHT,XS(D)::QAB1(E),XP(b)
      • K(a);P-FLIGHT::QAR1(E),XP(b)
      • P(b);SBLOCK::B(C)
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