MESON Chess Problem Database

Problem Display
PID: 116180 (8/1K1BP2p/pPP5/3k1bnR/N2rNPQn/1P1q4/2P5/3R2B1 w - - 0 1)

Goldschmidt, Josef

Seilberger, Johann Joseph Petrus Adrianus

Jerusalem Post, 1951

(First published on Fri Sep 14 1951)

8/1K1BP2p/pPP5/3k1bnR/N2rNPQn/1P1q4/2P5/3R2B1

#2

14 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qf1
      • 2.Sac3#
      • 2.Rxd4#
    • 1...Qxc2
      • 2.Rxd4#
    • 1...Qe2
      • 2.Sac3#
      • 2.Rxd4#
    • 1...Qb5
      • 2.Sac3#
      • 2.Rxd4#
    • 1...Qxd1
      • 2.Sac3#
    • 1...Qxb3
      • 2.Rxd4#
    • 1...Qc3
      • 2.Saxc3#
    • 1...Qf3
      • 2.Rxd4#
    • 1...Qg3
      • 2.Rxd4#
    • 1...Qh3
      • 2.Rxd4#
    • 1...Rb4
      • 2.Sac3#
    • 1...Bxe4
      • 2.Qe6#
    • 1...Be6
      • 2.Qxe6#
    • 1...Bg6
      • 2.Qe6#
    • 1...Sg2
      • 2.Qxf5#
  • Tries
    • 1.Rxd3?
      • threat
        • 2.Sac3#
        • 2.Rxd4#
      • 1...Kxe4
        • 2.Sc3#
        • 2.Rxd4#
      • 1...Bxe4
        • 2.Rxd4#
        • 2.Qe6#
      • 1...Sxe4
        • 2.Rxd4#
      • 1...Shf3
        • 2.Sac3#
      • 1...Sgf3
        • 2.Sac3#
      • 1...Se6
        • 2.Sac3#
      • 1...Rxd3!
  • Keys
    • 1.e8S!
      • threat
        • 2.S4f6#
        • 2.S8f6#
      • 1...Kxe4
        • 2.Sf6#
      • 1...Qxe4
        • 2.c4#
      • 1...Qxb3
        • 2.Rxd4#
      • 1...Rxe4
        • 2.Sc3#
      • 1...Bxe4
        • 2.Be6#
        • 2.Qe6#
      • 1...Sxe4
        • 2.Qg8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 11
  • Sets
    • Q(a);OGATE,P_SPINR(b),XP(C)::R1(A),XR(b)
    • Q(a);N_GUARD,XR(A)::S(E)
    • Q(a);OGATE,P_PINP(J),P_SPINR(b),XP(D)::R1(A),XR(b)
    • Q(a);N_GUARD,P_SPINR(b)::S(E),XQ(a)
    • Q(a);OGATE,P_SPINR(b)::R1(A),XR(b)
    • R(b);P_PINP(J),P_SPINQ(a)::S(E)
    • B(e);OGATE,P_SPINS(f),XS(F)::QAB1(H)
    • B(e);OGATE,P_SPINS(f)::QAB1(H),XB(e)
    • B(e);OGATE,P_SPINS(f)::QAB1(H)
    • S(c);N_GUARD::QAR2(H),XB(e)
  • Tries
    • Try
      • R(A);P_PINR(b),XQ(a)
      • Threat
        • DUALS(2)
      • Vars
        • S(f);P_SPINB(e),XS(F)::R1(A),XR(b)
        • S(c);::S(E)
        • S(f);P_SPINB(e)::S(E)
      • Refutation
        • R(b);N_SPINR(b),XR(A)
  • Actual
    • P(N);
    • Threat
      • DUALS(2)
    • Vars
      • K(d);S_FLIGHT,XS(F)::S(N)
      • Q(a);N_GUARD,P_SPINR(b),SBLOCK,XS(F)::P(C)
      • Q(a);OGATE,P_PINP(J),P_SPINR(b),XP(D)::R1(A),XR(b)
      • R(b);P_SPINQ(a),XS(F)::S(E)
      • S(f);OGATE,P_SPINB(e),SBLOCK,XS(F)::QAB(H)
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