MESON Chess Problem Database

Problem Display
PID: 116170 (5B2/7B/1Kp5/1RN2Q1b/pNkP3R/r6q/1P3p2/4b1r1 w - - 0 1)

Goldschmidt, Josef

Al Hamishmar, 1950

5B2/7B/1Kp5/1RN2Q1b/pNkP3R/r6q/1P3p2/4b1r1

#2

10 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qf1
      • 2.Qe6#
    • 1...Qh2
      • 2.Qe6#
    • 1...Qb3
      • 2.Qe6#
    • 1...Qc3
      • 2.Qe6#
    • 1...Qd3
      • 2.Qe6#
    • 1...Qg3
      • 2.Qe6#
  • Tries
    • 1.Bg8+?
      • 1...Bf7
        • 2.Bxf7#
      • 1...Rxg8!
    • 1.Qf7+?
      • 1...Qe6
        • 2.Qxe6#
      • 1...Bxf7!
  • Keys
    • 1.Sb3!
      • threat
        • 2.Sa5#
      • 1...Kxb3
        • 2.Qc2#
      • 1...Qxb3
        • 2.Qe6#
        • 2.Qc5#
      • 1...Qxh4
        • 2.Qd3#
        • 2.Qe6#
      • 1...Rxb3
        • 2.Qc5#
      • 1...Bxb4
        • 2.Rxb4#
      • 1...axb3
        • 2.Qc5#
      • 1...Qg4
        • 2.Qd3#
      • 1...Rg4
        • 2.Qe6#
      • 1...Bg4
        • 2.Bg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 6
  • Sets
    • Q(e);N_GUARD::QAB(G)
  • Tries
    • Try
      • B(I);CHECK
      • Vars
        • B(h);N_GUARD,P_SPINB(h)::B(I),XB(h)
      • Refutation
        • R(b);XB(I)
    • Try
      • Q(G);CHECK
      • Vars
        • Q(e);N_GUARD,P_SPINQ(e)::QAB(G),XQ(e)
      • Refutation
        • B(h);XQ(G)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(g);S_FLIGHT,XS(F)::QAB1(G)
      • R(d);SBLOCK,XS(F)::QAR1(G)
      • B(a);OGATE,XS(B)::R1(E),XB(a)
      • P(f);SBLOCK,XS(F)::QAR1(G)
      • Q(e);N_GUARD::QAB1(G)
      • R(b);S_CUTQ(e)::QAB(G)
      • B(h);N_GUARD,S_CUTR(b)::B(I)
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