MESON Chess Problem Database

Problem Display
PID: 48841 (1N2N1n1/4pq2/K3k2r/bR1pP3/1p1p1pP1/8/4Q3/1B6 w - - 0 1)

Gamage, Frederick

3rd Prize, Western Daily Mercury, 0000

1N2N1n1/4pq2/K3k2r/bR1pP3/1p1p1pP1/8/4Q3/1B6

#2

8 + 10

1276 Lasker's Chess Magazine 1904

SOLUTION

  • SOUND
  • Sets
    • 1...Rf6
      • 2.exf6#
    • 1...Bb6
      • 2.Rxb6#
    • 1...Bc7
      • 2.Sxc7#
    • 1...Sf6
      • 2.Bf5#
      • 2.exf6#
  • Tries
    • 1.Ba2?
      • threat
        • 2.Bxd5#
      • 1...Sf6
        • 2.exf6#
      • 1...b3!
    • 1.Qe4?
      • threat
        • 2.Qxd5#
      • 1...Sf6
        • 2.Qf5#
      • 1...dxe4!
  • Keys
    • 1.Be4!
      • threat
        • 2.Bxd5#
      • 1...Kxe5+
        • 2.Bg6#
      • 1...dxe4
        • 2.Qc4#
      • 1...Sf6
        • 2.Bf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(g);OGATE::QAR(B)+P(E),XR(g)
    • B(d);N_GUARD::R(D),XB(d)
    • B(d);N_GUARD::S(H),XB(d)
  • Tries
    • Try
      • B(A);P_PINP(e)
      • Threat
        • B(A),XP(e)
      • Vars
        • S(j);OGATE::QAR(B)+P(E),XS(j)
      • Refutation
        • P(a);N_SPINP(e)
    • Try
      • Q(B);
      • Threat
        • QAB1(B),XP(e)
      • Vars
        • S(j);S_CUTQ(i)::QAB1(B)
      • Refutation
        • P(e);XQ(B)
  • Actual
    • B(A);
    • Threat
      • B(A),XP(e)
    • Vars
      • K(f);CHECK,OGATEB,P-FLIGHT,P_SPINP(e),XP(E)::QAR(B)+B(A)
      • P(e);OGATEB,XB(A)::QAB(B)
      • S(j);S_CUTQ(i)::B(A)
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