MESON Chess Problem Database

Problem Display
PID: 96420 (2N1n1R1/R1p1p3/7B/2b1kpP1/r1n2N2/1BP2Q2/3P4/1b5K w - - 0 1)

Goldschmidt, Josef

Problem (Zagreb), 1953

2N1n1R1/R1p1p3/7B/2b1kpP1/r1n2N2/1BP2Q2/3P4/1b5K

#2

11 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba3
      • 2.d4#
    • 1...Bb4
      • 2.d4#
    • 1...Bd6
      • 2.d4#
    • 1...Sb2
      • 2.Sg6#
    • 1...Sxd2
      • 2.Sg6#
    • 1...Sa3
      • 2.Sg6#
    • 1...Se3
      • 2.Sg6#
    • 1...Sa5
      • 2.Sg6#
    • 1...Sb6
      • 2.Sg6#
    • 1...Scd6
      • 2.Sg6#
    • 1...Sed6
      • 2.Bg7#
    • 1...Sg7
      • 2.Bxg7#
    • 1...e6
      • 2.Sg6#
  • Tries
    • 1.Ra5?
      • threat
        • 2.Rxc5#
        • 2.d4#
      • 1...Sxd2
        • 2.Sg6#
        • 2.Rxc5#
      • 1...Sxa5
        • 2.Sg6#
      • 1...Bd3
        • 2.Rxc5#
      • 1...Be4
        • 2.d4#
      • 1...Sb2
        • 2.Sg6#
        • 2.Rxc5#
      • 1...Sa3
        • 2.Sg6#
        • 2.Rxc5#
      • 1...Se3
        • 2.Sg6#
      • 1...Sb6
        • 2.Sg6#
      • 1...Scd6
        • 2.Sg6#
        • 2.Rxc5#
      • 1...Sf6
        • 2.d4#
      • 1...Rxa5!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sf7#
      • 1...Kxd6
        • 2.Qd5#
      • 1...Bxd6
        • 2.d4#
      • 1...Scxd6
        • 2.Sg6#
      • 1...Sexd6
        • 2.Bg7#
      • 1...cxd6
        • 2.Rxe7#
      • 1...exd6
        • 2.Rxe8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 10
  • Sets
    • B(d);N_GUARD::P(B)
    • S(c);::S(F)
    • S(c);XP(B)::S(F)
    • S(i);N_GUARD::B(H)
    • S(i);N_GUARD::B(H),XS(i)
    • P(h);SBLOCK::S(F)
  • Tries
    • Try
      • R(I);P_PINB(d)
      • Threat
        • DUALS(2)
      • Vars
        • S(c);N_SPINB(d),XR(I)::S(F)
        • B(a);::R(I),XB(d)
        • B(a);P_PINQ(E)::P(B)
        • S(c);::S(F)
        • S(i);::P(B)
      • Refutation
        • R(b);N_SPINB(d),XR(I)
  • Actual
    • S(J);
    • Threat
      • S(J)
    • Vars
      • K(e);S_FLIGHT,XS(J)::QAR1(E)
      • B(d);N_GUARD,SBLOCK,XS(J)::P(B)
      • S(c);SBLOCK,XS(J)::S(F)
      • S(i);N_GUARD,SBLOCK,XS(J)::B(H)
      • P(g);OGATE,SBLOCK,XS(J)::R(I),XP(h)
      • P(h);OGATEB,SBLOCK,XS(J)::R(K),XS(i)
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