MESON Chess Problem Database

Problem Display
PID: 6494 (2R2B1Q/8/Kp3qr1/5pP1/2N5/1Nkb1R2/Pbp1P3/2n5 w - - 0 1)

Schiffmann, Israel Abraham

Western Morning News, 1929

2R2B1Q/8/Kp3qr1/5pP1/2N5/1Nkb1R2/Pbp1P3/2n5

#2

10 + 9

1397 Faszinierendes Schachproblem 1963

SOLUTION

  • SOUND
  • Sets
    • 1...Qd4
      • 2.Qxd4#
    • 1...Qe5
      • 2.Qxe5#
    • 1...Rxg5
      • 2.Qxf6#
    • 1...Rg8
      • 2.Qxf6#
    • 1...Sxa2
      • 2.Rxd3#
    • 1...Sxb3
      • 2.Rxd3#
    • 1...b5+
      • 2.Sb6#
  • Tries
    • 1.Kb5?
      • threat
        • 2.Bb4#
      • 1...Qe5+
        • 2.Qxe5#
      • 1...Sxa2
        • 2.Rxd3#
      • 1...Sxb3
        • 2.Rxd3#
      • 1...Ba3!
  • Keys
    • 1.Qh4!
      • threat
        • 2.Qe1#
      • 1...b5+
        • 2.Sd6#
      • 1...Qxg5
        • 2.Qd4#
      • 1...Sxa2
        • 2.Rxd3#
      • 1...Sxb3
        • 2.Rxd3#
      • 1...Qc6
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • Q(h);OGATE::QAB1(J),XQ(h)
    • Q(h);OGATE::QAB(J),XQ(h)
    • R(i);N_GUARD,XP(F)::QAB(J),XQ(h)
    • R(i);N_GUARD::QAB(J),XQ(h)
    • S(a);N_GUARD,XP(A)::R1(D),XB(e)
    • S(a);N_GUARD,XS(C)::R1(D),XB(e)
    • P(g);CHECK,N_PINS(E)::R(H)+S(E)
  • Tries
    • Try
      • K(G);S_FLIGHT
      • Threat
        • B(I)
      • Vars
        • Q(h);CHECK,OGATE::QAB(J),XQ(h)
        • S(a);N_GUARD,XP(A)::R1(D),XB(e)
        • S(a);N_GUARD,XS(C)::R1(D),XB(e)
      • Refutation
        • B(b);
  • Actual
    • Q(J);N_PINQ(h)
    • Threat
      • QAB(J)
    • Vars
      • P(g);CHECK,N_PINS(E)::R(H)+S(E)
      • Q(h);N_GUARD,XP(F)::QAB1(J)
      • S(a);N_GUARD,XP(A)::R1(D),XB(e)
      • S(a);N_GUARD,XS(C)::R1(D),XB(e)
      • Q(h);N_GUARD::QAB1(J)
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