MESON Chess Problem Database

Problem Display
PID: 199958 (2n1n1BK/3p3Q/2b5/2NPkNB1/1Pp3P1/2P5/q5p1/3R2b1 w - - 0 1)

Mira-Kraft, Edwin

Der neue Tag (Weiden)/Amberger Zeitung, 2001

(First published on Sat May 12 2001)

2n1n1BK/3p3Q/2b5/2NPkNB1/1Pp3P1/2P5/q5p1/3R2b1

#2

11 + 9

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Qxh2#
    • 1...Bd4
      • 2.Qh2#
      • 2.cxd4#
    • 1...Bxd5
      • 2.Rxd5#
    • 1...Sb6
      • 2.Qe7#
    • 1...Scd6
      • 2.Qe7#
    • 1...Sa7
      • 2.Qe7#
    • 1...Se7
      • 2.Qxe7#
    • 1...Sed6
      • 2.Qg7#
    • 1...Sc7
      • 2.Qg7#
    • 1...Sg7
      • 2.Qxg7#
  • Tries
    • 1.Sd3+?
      • 1...Ke4
        • 2.Sd4#
        • 2.Sh4#
      • 1...cxd3!
    • 1.Sxd7+?
      • 1...Ke4
        • 2.Sd4#
        • 2.Sh4#
      • 1...Bxd7!
    • 1.Bf4+?
      • 1...Kf6
        • 2.Se4#
        • 2.Qh6#
        • 2.Qf7#
        • 2.g5#
      • 1...Kxf4!
    • 1.Re1+?
      • 1...Be3
        • 2.Rxe3#
        • 2.Qh2#
      • 1...Qe2!
    • 1.Qxd7?
      • threat
        • 2.Qe6#
      • 1...Bxd5
        • 2.Rxd5#
        • 2.Qxd5#
      • 1...Sc7
        • 2.Qg7#
      • 1...Sg7
        • 2.Qxg7#
      • 1...Bxd7!
    • 1.Qg7+?
      • 1...Sf6
        • 2.Qxf6#
      • 1...Sxg7!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sf7#
      • 1...Kxd6
        • 2.Bf4#
      • 1...Bxd5
        • 2.Rxd5#
      • 1...Scxd6
        • 2.Qe7#
      • 1...Sexd6
        • 2.Qg7#
      • 1...Qd2
        • 2.Sxc4#
      • 1...Qf2
        • 2.Sxc4#
      • 1...Bd4
        • 2.Qh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 6
  • Sets
    • B(a);N_GUARD::QAB(I),XB(a)
    • B(f);OGATE,XP(F)::R1(A),XB(f)
    • S(h);N_GUARD::QAR2(I)
    • S(h);N_GUARD::QAR2(I),XS(h)
    • S(i);N_GUARD::QAB(I)
    • S(i);N_GUARD::QAB(I),XS(i)
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • P(d);XS(E)
    • Try
      • S(E);CHECK,XP(g)
      • Refutation
        • B(f);XS(E)
    • Try
      • B(H);CHECK
      • Refutation
        • K(e);S_FLIGHT,XB(H)
    • Try
      • R(A);CHECK
      • Refutation
        • Q(b);P_SPINQ(b)
    • Try
      • Q(I);XP(g)
      • Threat
        • QAR1(I)
      • Vars
        • S(i);N_GUARD::QAB(I)
        • S(i);N_GUARD::QAB(I),XS(i)
      • Refutation
        • B(f);XQ(I)
    • Try
      • Q(I);CHECK
      • Vars
        • S(i);N_GUARD,P_SPINS(i)::QAB1(I),XS(i)
      • Refutation
        • S(i);XQ(I)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • K(e);S_FLIGHT,XS(G)::B(H)
      • B(f);OGATE,XP(F)::R1(A),XB(f)
      • S(h);N_GUARD,XS(G)::QAR2(I)
      • S(i);N_GUARD,SBLOCK,XS(G)::QAB(I)
      • Q(b);N_GUARD::S(G),XP(d)
      • B(a);N_GUARD::QAB(I)
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