MESON Chess Problem Database

Problem Display
PID: 160084 (8/5K2/1B4P1/6kn/6N1/7Q/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1996

8/5K2/1B4P1/6kn/6N1/7Q/8/8

#2

5 + 2

15148 Sadier Collection 2017
5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Sf2?
      • 1...Kh6
        • 2.Be3#
      • 1...Sg3
        • 2.Be3#
      • 1...Sf4
        • 2.Se4#
        • 2.Bd8#
      • 1...Sf6
        • 2.Be3#
      • 1...Sg7
        • 2.Be3#
      • 1...Kf4!
    • 1.Sh2?
      • 1...Kh6
        • 2.Be3#
      • 1...Sg3
        • 2.Be3#
      • 1...Sf4
        • 2.Sf3#
        • 2.Bd8#
      • 1...Sf6
        • 2.Be3#
      • 1...Sg7
        • 2.Be3#
      • 1...Kf4!
    • 1.Se5?
      • 1...Kh6
        • 2.Be3#
      • 1...Sg3
        • 2.Be3#
      • 1...Sf4
        • 2.Sf3#
        • 2.Bd8#
      • 1...Sf6
        • 2.Be3#
      • 1...Sg7
        • 2.Be3#
      • 1...Kf4!
    • 1.Sf6?
      • 1...Kh6
        • 2.Be3#
        • 2.Qxh5#
      • 1...Sxf6
        • 2.Be3#
      • 1...Sg3
        • 2.Be3#
      • 1...Sf4
        • 2.Se4#
        • 2.Sh7#
      • 1...Sg7
        • 2.Be3#
      • 1...Kf4!
  • Keys
    • 1.Sh6!
      • 1...Kf4
        • 2.Qe3#
      • 1...Kxh6
        • 2.Be3#
      • 1...Sg3
        • 2.Be3#
      • 1...Sf4
        • 2.Bd8#
      • 1...Sf6
        • 2.Be3#
      • 1...Sg7
        • 2.Be3#

Anticipated by 212651(1968)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);
      • Vars
        • K(a);P_SPINS(b),S_FLIGHT::B(C)
        • S(b);N_GUARD::B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);P_SPINS(b),S_FLIGHT::B(C)
        • S(b);N_GUARD::B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • K(a);P_SPINS(b),S_FLIGHT::B(C)
        • S(b);N_GUARD::B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);
      • Vars
        • S(b);N_GUARD,XS(B)::B(C)
        • S(b);N_GUARD::B(C)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(a);S_FLIGHT::QAB1(A)
      • K(a);P_SPINS(b),S_FLIGHT,XS(B)::B(C)
      • S(b);N_GUARD::B(C)
      • S(b);N_GUARD,SBLOCK::B(C)
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