MESON Chess Problem Database

Problem Display
PID: 148273 (n3r3/KB3p1q/1RpPNpp1/3k3N/prR5/1p6/1n5B/bbQ5 w - - 0 1)

Goldstein, Alexander

2nd HM., Magyar Bulletin TT, 1949

n3r3/KB3p1q/1RpPNpp1/3k3N/prR5/1p6/1n5B/bbQ5

#2

9 + 14

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe6
      • 2.Bxc6#
    • 1...Sxb6
      • 2.Sc7#
    • 1...Sc7
      • 2.Sxc7#
    • 1...fxe6
      • 2.Sxf6#
  • Keys
    • 1.Qe3!
      • threat
        • 2.Rc5#
      • 1...Kxc4
        • 2.Qd4#
      • 1...Rxc4
        • 2.Sxf6#
      • 1...Sxc4
        • 2.Bxc6#
      • 1...Be4
        • 2.Qxe4#
      • 1...Rb5
        • 2.Rd4#
      • 1...Sd3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 4
  • Sets
    • R(n);SBLOCK,XS(G)::B(I),XP(h)
    • S(m);N_GUARD,XR(E)::S(G)
    • S(m);N_GUARD::S(G),XS(m)
    • P(k);P_PINB(I),SBLOCK,XS(G)::S(D),XP(i)
  • Actual
    • Q(A);
    • Threat
      • R1(C)
    • Vars
      • K(g);N_SPINP(h),S_FLIGHT,XR(C)::QAR1(A)
      • R(f);SBLOCK,XR(C)::S(D),XP(i)
      • S(c);SBLOCK,XR(C)::B(I),XP(h)
      • B(b);N_GUARD::QAB1(A),XB(b)
      • R(f);N_GUARD::R1(C)
      • S(c);S_CUTB(b)::QAB1(A)
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