MESON Chess Problem Database

Problem Display
PID: 6055 (8/3BQp2/1r1n3K/BPkP1p2/2p5/2N1P3/2n5/3b4 w - - 0 1)

Schiffmann, Israel Abraham

Revista de Sah, 1926

8/3BQp2/1r1n3K/BPkP1p2/2p5/2N1P3/2n5/3b4

#2

8 + 8

1397 Faszinierendes Schachproblem 1963

SOLUTION

  • SOUND
  • Sets
    • 1...Sxe3
      • 2.Qxe3#
  • Keys
    • 1.Qe5!
      • threat
        • 2.Sa4#
      • 1...Se4+
        • 2.d6#
      • 1...Sxb5+
        • 2.d6#
      • 1...Sb7+
        • 2.d6#
      • 1...Sc8+
        • 2.d6#
      • 1...Se8+
        • 2.d6#
      • 1...Sxe3
        • 2.Qxe3#
      • 1...Rc6
        • 2.dxc6#
      • 1...Sa1
        • 2.Qd4#
      • 1...Se1
        • 2.Qd4#
      • 1...Sa3
        • 2.Qd4#
      • 1...Sb4
        • 2.Qd4#
      • 1...Sd4
        • 2.Qxd4#
        • 2.exd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE,XP(B)::QAB(H),XS(b)
  • Actual
    • Q(H);N_PINS(g)
    • Threat
      • S(A)
    • Vars
      • S(g);CHECK,OGATE::QAR(H)+P(E)
      • S(g);CHECK,OGATE,XP(D)::QAR(H)+P(E)
      • S(b);OGATE,XP(B)::QAB(H),XS(b)
      • R(f);OGATE::QAR(H)+P(E),XR(f)
      • S(b);N_GUARD::QAB1(H)
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