MESON Chess Problem Database

Problem Display
PID: 185147 (2N5/5p2/1RP2k1K/2n1p1p1/6B1/r1pn3Q/7B/bb1rR3 w - - 0 1)

Witt, Andreas

Sachsische Zeitung, 2000

(First published on Sat Jun 10 2000)

2N5/5p2/1RP2k1K/2n1p1p1/6B1/r1pn3Q/7B/bb1rR3

#2

8 + 11

15391 Problemschach-Jahrbuch (2000) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Bxe5#
    • 1...Sb2
      • 2.Bxe5#
    • 1...Sf2
      • 2.Bxe5#
    • 1...Sb4
      • 2.Bxe5#
    • 1...Sb3
      • 2.c7#
    • 1...Sa6
      • 2.c7#
    • 1...Sb7
      • 2.cxb7#
    • 1...Sd7
      • 2.cxd7#
  • Tries
    • 1.Se7?
      • threat
        • 2.Sd5#
        • 2.Sg8#
      • 1...Sxe1
        • 2.Sg8#
      • 1...Ra8
        • 2.Sd5#
      • 1...Ba2
        • 2.Sg8#
      • 1...Sc1
        • 2.Sg8#
      • 1...Sb2
        • 2.Sg8#
      • 1...Sf2
        • 2.Sg8#
      • 1...Sb4
        • 2.Sg8#
      • 1...Sf4
        • 2.Sg8#
      • 1...Kxe7!
    • 1.Qf1+?
      • 1...Sf2
        • 2.Bxe5#
      • 1...Sf4!
  • Keys
    • 1.Qxd3!
      • threat
        • 2.Bxe5#
      • 1...Rxe1
        • 2.Qd8#
      • 1...Sxd3
        • 2.c7#
      • 1...Se4
        • 2.Qf3#
      • 1...Sd7
        • 2.cxd7#
      • 1...c2
        • 2.Qf5#
      • 1...e4
        • 2.Qf1#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 7
  • Sets
    • S(f);N_GUARD::B(B),XP(h)
    • S(g);N_GUARD::R(E)+P(F)
    • S(g);OGATE::R(E)+P(F),XS(g)
  • Tries
    • Try
      • S(H);
      • Threat
        • DUALS(2)
      • Vars
        • S(f);XR(A)::S(H)
        • R(d);::S(H)
        • B(b);::S(H)
        • S(f);::S(H)
      • Refutation
        • K(j);P_SPINP(h),S_FLIGHT,XS(H)
    • Try
      • Q(C);CHECK
      • Vars
        • S(f);P_SPINS(f)::B(B),XP(h)
      • Refutation
        • S(f);P_SPINS(f)
  • Actual
    • Q(C);XS(f)
    • Threat
      • B(B),XP(h)
    • Vars
      • R(c);N_GUARD,XR(A)::QAB(C)
      • S(g);N_GUARD,XQ(C)::R(E)+P(F)
      • S(g);S_CUTB(b)::QAR(C)
      • S(g);OGATE::R(E)+P(F),XS(g)
      • P(e);S_CUTB(b)::QAR1(C)
      • P(h);S_CUTB(b)::QAR(C)
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