MESON Chess Problem Database

Problem Display
PID: 208834 (B4RK1/8/bN2p3/p4p2/p2k4/Q2P4/4PpNb/3n4 w - - 0 1)

Singer, J

Chicago Tribune, 1876

B4RK1/8/bN2p3/p4p2/p2k4/Q2P4/4PpNb/3n4

#2

8 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qc5#
    • 1...e5
      • 2.Rd8#
  • Tries
    • 1.e3+?
      • 1...Ke5
        • 2.Sd7#
        • 2.Qc5#
        • 2.d4#
      • 1...Sxe3!
  • Keys
    • 1.Sxa4!
      • threat
        • 2.Qc5#
      • 1...Ke5
        • 2.Qc5#
      • 1...Bd6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(e);S_FLIGHT::QAR2(C)
    • P(i);SBLOCK,S_CUTB(c)::R(G)
  • Tries
    • Try
      • P(A);CHECK
      • Refutation
        • S(a);XP(A)
  • Actual
    • S(E);XP(d)
    • Threat
      • QAB1(C)
    • Vars
      • K(e);S_FLIGHT::QAR2(C)
      • B(c);N_GUARD::QAR2(C),XB(c)
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