MESON Chess Problem Database

Problem Display
PID: 145773 (1RR5/3Q4/B5p1/3P2K1/8/1NP5/2kp1p2/2B1bN2 w - - 0 1)

Ellerman, Arnoldo

Good Companions (November), 1917

1RR5/3Q4/B5p1/3P2K1/8/1NP5/2kp1p2/2B1bN2

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kd1
      • 2.Se3#
  • Tries
    • 1.Bd3+?
      • 1...Kd1
        • 2.Se3#
        • 2.Qg4#
      • 1...Kxd3!
    • 1.Qf5+?
      • 1...Kd1
        • 2.Se3#
      • 1...gxf5!
  • Keys
    • 1.Qa4!
      • 1...dxc1Q+
        • 2.Sbd2#
      • 1...dxc1B+
        • 2.Sbd2#
      • 1...Kb1
        • 2.Bd3#
      • 1...Kd1
        • 2.Se3#
      • 1...dxc1S
        • 2.Sa1#
        • 2.Sd4#
      • 1...dxc1R
        • 2.Sa1#
        • 2.Sbd2#
        • 2.Sd4#
        • 2.Sa5#
      • 1...d1Q
        • 2.Qa2#
      • 1...d1S
        • 2.Qe4#
      • 1...d1B
        • 2.Qa2#
        • 2.Qe4#
      • 1...d1R
        • 2.Qa2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(B)
  • Tries
    • Try
      • B(G);CHECK
      • Refutation
        • K(b);S_FLIGHT,XB(G)
    • Try
      • Q(H);CHECK
      • Vars
        • K(b);S_FLIGHT::S(B)
      • Refutation
        • P(e);XQ(H)
  • Actual
    • Q(H);
    • Vars
      • P(c);CHECK,SBLOCK,XB(A)::QAB(H)+S(C)
      • K(b);S_FLIGHT::B(G)
      • K(b);S_FLIGHT::S(B)
      • P(c);SBLOCK::QAR2(H)
      • P(c);SBLOCK::QAB(H)
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Developed and maintained by Brian Stephenson.
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