MESON Chess Problem Database

Problem Display
PID: 135317 (3R2N1/4Np2/2P2R2/K2pk1n1/8/2PP3B/2n2P2/Q4r1b w - - 0 1)

Supp, Walter

Badische Neueste Nachrichten, 1999

3R2N1/4Np2/2P2R2/K2pk1n1/8/2PP3B/2n2P2/Q4r1b

#2

11 + 7

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Rb1
      • 2.f4#
    • 1...Rc1
      • 2.f4#
    • 1...Rd1
      • 2.f4#
    • 1...Re1
      • 2.f4#
    • 1...Rg1
      • 2.f4#
    • 1...Sd4
      • 2.cxd4#
    • 1...Sf3
      • 2.Rxd5#
    • 1...Se4
      • 2.Rxd5#
    • 1...Se6
      • 2.Rf5#
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qb8#
      • 1...Rxb1
        • 2.f4#
      • 1...Sb4
        • 2.d4#
      • 1...Se4
        • 2.Rxd5#
      • 1...Se6
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • R(a);N_GUARD::P(B)
    • S(c);OGATE::P(C),XS(c)
    • S(f);S_CUTB(b)::R1(J),XP(d)
    • S(f);SBLOCK::R1(H)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • R(a);N_GUARD,XQ(A)::P(B)
      • S(c);N_GUARD::P(D)
      • S(f);S_CUTB(b)::R1(J),XP(d)
      • S(f);SBLOCK::R1(H)
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