MESON Chess Problem Database

Problem Display
PID: 143473 (5r2/7B/3BN1n1/r1b1NbRp/2Qpk2n/5p2/4PK2/8 w - - 0 1)

Anonymous

Source?, 0000

5r2/7B/3BN1n1/r1b1NbRp/2Qpk2n/5p2/4PK2/8

#2

8 + 10

70 American Chess Problemist 1949
102 Probleemblad 1949

SOLUTION

  • SOUND
  • Sets
    • 1...Ba3
      • 2.Qxd4#
    • 1...Bb4
      • 2.Qxd4#
    • 1...Bxd6
      • 2.Qxd4#
    • 1...Sg2
      • 2.exf3#
  • Tries
    • 1.Sxc5+?
      • 1...Kf4
        • 2.Qc1#
      • 1...Rxc5!
  • Keys
    • 1.Sxf3!
      • threat
        • 2.Sd2#
      • 1...Bxd6
        • 2.Qxd4#
      • 1...Bxe6
        • 2.Qd3#
        • 2.Qxe6#
      • 1...Sxf3
        • 2.exf3#
      • 1...Ra2
        • 2.Sxc5#
      • 1...Bb4
        • 2.Qxd4#
      • 1...Bh3
        • 2.Re5#
        • 2.Qd3#
        • 2.Qd5#
      • 1...Bg4
        • 2.Re5#
        • 2.Qd3#
        • 2.Qd5#

There are these versions: 143527

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • B(f);N_GUARD::QAR1(C),XP(b)
    • B(f);N_GUARD,XB(F)::QAR1(C),XP(b)
    • S(d);N_GUARD::P(A),XP(a)
  • Tries
    • Try
      • S(G);CHECK,XB(f)
      • Vars
        • K(c);P-FLIGHT::QAB(C)
      • Refutation
        • R(e);XS(G)
  • Actual
    • S(D);XP(a)
    • Threat
      • S(D)
    • Vars
      • B(f);N_GUARD,XB(F)::QAR1(C),XP(b)
      • S(d);OGATE,XS(D)::P(A),XS(d)
      • R(e);N_GUARD,P_PINP(A)::S(G),XB(f)
      • B(f);N_GUARD::QAR1(C),XP(b)
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