MESON Chess Problem Database

Problem Display
PID: 199381 (5KB1/b7/2pNp3/Q1P5/2PkpB2/5bR1/2P2n2/8 w - - 0 1)

Lowe, Roland

Freie Presse, 2001

(First published on Fri Aug 31 2001)

5KB1/b7/2pNp3/Q1P5/2PkpB2/5bR1/2P2n2/8

#2

9 + 7

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.c3#
    • 1...Bh1
      • 2.c3#
    • 1...Be2
      • 2.c3#
    • 1...Bg2
      • 2.c3#
    • 1...Bg4
      • 2.c3#
    • 1...Bh5
      • 2.c3#
    • 1...Bxc5
      • 2.Qa1#
    • 1...Sd3
      • 2.c3#
    • 1...e5
      • 2.Sf5#
  • Tries
    • 1.Sf5+?
      • 1...Kxc4
        • 2.Bxe6#
      • 1...exf5!
    • 1.Be3+?
      • 1...Ke5
        • 2.Qc3#
        • 2.Qa1#
      • 1...Kxe3!
    • 1.Be5+?
      • 1...Ke3
        • 2.Qe1#
      • 1...Kxe5!
    • 1.Bxe6?
      • threat
        • 2.Sf5#
      • 1...Bxc5
        • 2.Qa1#
      • 1...Bg4
        • 2.c3#
      • 1...e3!
    • 1.Qd2+?
      • 1...Kxc5
        • 2.Be3#
      • 1...Sd3!
  • Keys
    • 1.Rg5!
      • threat
        • 2.Qa1#
      • 1...Sd1
        • 2.Qd2#
      • 1...Sd3
        • 2.c3#
      • 1...e5
        • 2.Sf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • B(b);::P(A)
    • B(g);P_PINS(G),SBLOCK,XP(F)::QAB(E)
    • S(a);SBLOCK::P(A)
    • P(f);N_GUARD::S(G)
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(c);P-FLIGHT,P_SPINP(f),XP(C)::B(I),XP(f)
      • Refutation
        • P(f);XS(G)
    • Try
      • B(D);CHECK
      • Refutation
        • K(c);P_SPINB(b),S_FLIGHT,XB(D)
    • Try
      • B(D);CHECK
      • Vars
        • K(c);P_SPINB(b),S_FLIGHT::QAR2(E)
      • Refutation
        • K(c);S_FLIGHT,XB(D)
    • Try
      • B(I);XP(f)
      • Threat
        • S(G)
      • Vars
        • B(g);P_PINS(G),SBLOCK,XP(F)::QAB(E)
        • B(b);::P(A)
      • Refutation
        • P(d);
    • Try
      • Q(E);CHECK
      • Vars
        • K(c);S_FLIGHT,XP(F)::B(D)
      • Refutation
        • S(a);P_SPINS(a)
  • Actual
    • R(B);
    • Threat
      • QAB(E)
    • Vars
      • S(a);N_GUARD::QAR2(E)
      • S(a);SBLOCK::P(A)
      • P(f);N_GUARD::S(G)
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