MESON Chess Problem Database

Problem Display
PID: 137831 (5BQb/2R1NP2/1p1p1p2/1P3K2/nr1kP3/RpN2P2/b1pP1P2/4nB2 w - - 0 1)

Witt, Andreas

2nd Comm., Freie Presse, 1998

5BQb/2R1NP2/1p1p1p2/1P3K2/nr1kP3/RpN2P2/b1pP1P2/4nB2

#2

14 + 11

14503 Problemschach-Jahrbuch (1999) 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Rxc4#
    • 1...Rxb5+
      • 2.Sxb5#
    • 1...Sd3
      • 2.Se2#
    • 1...Sxc3
      • 2.dxc3#
    • 1...Sc5
      • 2.Sc6#
    • 1...b2
      • 2.Se2#
    • 1...d5
      • 2.Sc6#
  • Tries
    • 1.Bh6?
      • threat
        • 2.Be3#
      • 1...Rxb5+
        • 2.Sxb5#
      • 1...Sg2!
    • 1.Qg4?
      • threat
        • 2.e5#
      • 1...Sxc3
        • 2.dxc3#
      • 1...Sd3
        • 2.Se2#
      • 1...Sc5
        • 2.Sc6#
      • 1...Sg2!
    • 1.Qxh8?
      • threat
        • 2.Qxf6#
      • 1...Rxb5+
        • 2.Sxb5#
      • 1...Sd3
        • 2.Se2#
      • 1...Sxf3!
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qxd6#
      • 1...Rxb5+
        • 2.Sxb5#
      • 1...Sxc3
        • 2.dxc3#
      • 1...b2
        • 2.Se2#
      • 1...d5
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 3
  • Sets
    • R(f);N_GUARD::R1(J),XR(f)
    • R(f);CHECK,XP(H)::S(E),XR(f)
    • S(a);SBLOCK::S(E)
    • S(e);OGATE,XS(E)::P(B),XS(e)
    • S(e);SBLOCK::S(K)
    • P(d);::S(E)
    • P(i);::S(K)
  • Tries
    • Try
      • B(M);
      • Threat
        • B(M)
      • Vars
        • R(f);CHECK,XP(H)::S(E),XR(f)
      • Refutation
        • S(a);
    • Try
      • Q(N);
      • Threat
        • QAR(N)+P(G)
      • Vars
        • S(e);OGATE,XS(E)::P(B),XS(e)
        • S(a);SBLOCK::S(E)
        • S(e);SBLOCK::S(K)
      • Refutation
        • S(a);
    • Try
      • Q(N);P_PINP(j),XB(k)
      • Threat
        • QAB(N),XP(j)
      • Vars
        • R(f);CHECK,XP(H)::S(E),XR(f)
        • S(a);SBLOCK::S(E)
      • Refutation
        • S(a);XP(F)
  • Actual
    • Q(N);
    • Threat
      • QAR2(N),XP(i)
    • Vars
      • R(f);CHECK,XP(H)::S(E),XR(f)
      • S(e);OGATE,XS(E)::P(B),XS(e)
      • P(d);::S(E)
      • P(i);::S(K)
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