MESON Chess Problem Database

Problem Display
PID: 75607 (6R1/8/4p3/2B1Np2/2n4K/b2Bp1pp/Q1Np1Pkr/5R1n w - - 0 1)

Dittrich, Stefan

Pachl, Franz

1st Prize, Freie Presse, 2000

6R1/8/4p3/2B1Np2/2n4K/b2Bp1pp/Q1Np1Pkr/5R1n

#2

9 + 11

15391 Problemschach-Jahrbuch (2000) 2001
23 Die Schwalbe 2007
6166 FIDE Album (1998-2000) 2007
133 The Problemist Supplement 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Qa8#
    • 1...Bb2
      • 2.Qa8#
    • 1...Bb4
      • 2.Qa8#
    • 1...Bxc5
      • 2.Qa8#
    • 1...Sxf2
      • 2.Rxg3#
    • 1...Sb2
      • 2.Sxe3#
    • 1...Sa5
      • 2.Sxe3#
    • 1...Sb6
      • 2.Sxe3#
    • 1...Sd6
      • 2.Sxe3#
    • 1...d1S
      • 2.Se1#
    • 1...d1B
      • 2.Se1#
  • Tries
    • 1.Bxc4?
      • threat
        • 2.Sxe3#
      • 1...Bxc5
        • 2.Qa8#
      • 1...exf2
        • 2.Se3#
      • 1...e2
        • 2.Se3#
      • 1...d1S
        • 2.Se1#
      • 1...f4!
    • 1.fxe3?
      • threat
        • 2.Se1#
      • 1...Bb2
        • 2.Qa8#
      • 1...Sf2
        • 2.Rxg3#
      • 1...Sb2!
    • 1.fxg3?
      • threat
        • 2.Se1#
      • 1...e2
        • 2.Rg1#
      • 1...Bb2
        • 2.Qa8#
      • 1...Sb2
        • 2.Sxe3#
      • 1...Sf2!
    • 1.f3?
      • threat
        • 2.Se1#
      • 1...e2
        • 2.Rg1#
      • 1...Sf2
        • 2.Rxg3#
      • 1...Sb2
        • 2.Sxe3#
      • 1...Bb2!
  • Keys
    • 1.f4!
      • threat
        • 2.Se1#
      • 1...e2
        • 2.Rg1#
      • 1...Bb2
        • 2.Qa8#
      • 1...Sf2
        • 2.Rxg3#
      • 1...Sb2
        • 2.Sxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • B(e);OGATE::QAB(B)
    • B(e);OGATE,XB(G)::QAB(B)
    • S(a);N_GUARD,XP(D)::R1(I),XP(g)
    • S(i);N_GUARD::S(C),XP(f)
    • P(b);N_GUARD::S(C)
  • Tries
    • Try
      • B(E);XS(i)
      • Threat
        • S(C),XP(f)
      • Vars
        • B(e);OGATE,XB(G)::QAB(B)
        • P(f);XP(D)::S(C)
        • P(f);::S(C)
        • P(b);N_GUARD::S(C)
      • Refutation
        • P(j);
    • Try
      • P(D);XP(f)
      • Threat
        • S(C)
      • Vars
        • B(e);OGATE::QAB(B)
        • S(a);N_GUARD::R1(I),XP(g)
      • Refutation
        • S(i);
    • Try
      • P(D);XP(g)
      • Threat
        • S(C)
      • Vars
        • P(f);::R1(A)
        • B(e);OGATE::QAB(B)
        • S(i);N_GUARD::S(C),XP(f)
      • Refutation
        • S(a);
    • Try
      • P(D);
      • Threat
        • S(C)
      • Vars
        • P(f);::R1(A)
        • S(a);N_GUARD::R1(I),XP(g)
        • S(i);N_GUARD::S(C),XP(f)
      • Refutation
        • B(e);
  • Actual
    • P(D);
    • Threat
      • S(C)
    • Vars
      • P(f);::R1(A)
      • B(e);OGATE::QAB(B)
      • S(a);N_GUARD::R1(I),XP(g)
      • S(i);N_GUARD::S(C),XP(f)
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