MESON Chess Problem Database

Problem Display
PID: 47813 (4NK2/6N1/8/4k3/1P6/8/6Q1/4B3 w - - 0 1)

Egorov, Gennady Sergeevich

Amirov MT, 1998

4NK2/6N1/8/4k3/1P6/8/6Q1/4B3

#2

6 + 1

4883 Still More Fun with Chess Miniatures 2002
5454 Near Snap 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sd6?
      • 1...Kd4
        • 2.Qe4#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kf6
        • 2.Bc3#
      • 1...Kxd6!
  • Keys
    • 1.Sf6!
      • 1...Kd4
        • 2.Qe4#
      • 1...Kf4
        • 2.Qg3#
      • 1...Kd6
        • 2.Bg3#
      • 1...Kxf6
        • 2.Bc3#

Anticipated by 208794(1876), 170471(1951), 170476(1953), 176158(1954), 211347(1986), 171300(1988), 171470(1988)

This anticipates 165528(1998), 26009(2001)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • K(a);S_FLIGHT::QAR1(B)
        • K(a);S_FLIGHT::QAB1(B)
        • K(a);S_FLIGHT::B(A)
      • Refutation
        • K(a);S_FLIGHT,XS(E)
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);S_FLIGHT::QAB1(B)
      • K(a);S_FLIGHT::B(A)
      • K(a);S_FLIGHT,XS(E)::B(A)
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