MESON Chess Problem Database

Problem Display
PID: 157143 (2b5/8/1p3brp/4p3/3kP3/P1N5/5P2/Q2K1BB1 w - - 0 1)

Ellerman, Arnoldo

Brisbane Courier, 1917

2b5/8/1p3brp/4p3/3kP3/P1N5/5P2/Q2K1BB1

#2

8 + 7

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rg3
      • 2.fxg3#
    • 1...Bg5
      • 2.f4#
    • 1...Bg4+
      • 2.f3#
  • Tries
    • 1.Sb5+?
      • 1...Kc5
        • 2.Qc3#
        • 2.Qc1#
      • 1...Kxe4!
  • Keys
    • 1.Qc1!
      • threat
        • 2.Qe3#
      • 1...Bg4+
        • 2.f3#
      • 1...Kc5
        • 2.Sb5#
      • 1...Rg3
        • 2.fxg3#
      • 1...Bg5
        • 2.f4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(e);OGATE::B(D)+P(E),XR(e)
    • B(d);S_CUTR(e)::B(D)+P(E)
    • B(g);CHECK,S_CUTR(e)::B(D)+P(E)
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • K(a);P-FLIGHT,XP(H)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • B(g);CHECK,S_CUTR(e)::B(D)+P(E)
      • K(a);S_FLIGHT::QAR(A)+S(G)
      • R(e);OGATE::B(D)+P(E),XR(e)
      • B(d);S_CUTR(e)::B(D)+P(E)
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