MESON Chess Problem Database

Problem Display
PID: 200770 (1b2RN1n/1B4K1/r3p3/4kNp1/b3P2R/B1P2pP1/8/5q2 w - - 0 1)

Mira-Kraft, Edwin

Stuttgarter Nachrichten, 2001

(First published on Sat Feb 3 2001)

1b2RN1n/1B4K1/r3p3/4kNp1/b3P2R/B1P2pP1/8/5q2

#2

10 + 9

16210 Problemschach-Jahrbuch (2001) 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Ra5
      • 2.Rxe6#
    • 1...Rc6
      • 2.Sd7#
    • 1...Ra7
      • 2.Rxe6#
    • 1...Ra8
      • 2.Rxe6#
    • 1...Bd1
      • 2.Sd7#
    • 1...Bc2
      • 2.Sd7#
    • 1...Bb3
      • 2.Sd7#
    • 1...Bc6
      • 2.Rxe6#
    • 1...Bd7
      • 2.Sxd7#
    • 1...Bd6
      • 2.Rxe6#
    • 1...Sg6
      • 2.Sxg6#
    • 1...Sf7
      • 2.Sg6#
  • Tries
    • 1.Sh6?
      • threat
        • 2.Sg4#
      • 1...Rc6
        • 2.Sd7#
      • 1...Bc6
        • 2.Rxe6#
      • 1...g4
        • 2.Sxg4#
        • 2.Rh5#
      • 1...Qh3!
    • 1.Bd6+?
      • 1...Bxd6
        • 2.Rxe6#
      • 1...Rxd6!
    • 1.Bc6?
      • threat
        • 2.Sd7#
        • 2.Rxe6#
      • 1...Rxc6
        • 2.Sd7#
      • 1...Bxc6
        • 2.Rxe6#
      • 1...Qd3
        • 2.Rxe6#
      • 1...Qc4
        • 2.Sd7#
      • 1...Qd1
        • 2.Rxe6#
      • 1...Bb3
        • 2.Sd7#
      • 1...Ra7+!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sg4#
      • 1...Qh3
        • 2.Sc4#
      • 1...Rc6
        • 2.Sd7#
      • 1...Bc6
        • 2.Rxe6#
      • 1...g4
        • 2.Sxg4#
        • 2.Rh5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • R(f);N_GUARD::R1(I),XP(g)
    • R(f);S_CUTB(c)::S(J)
    • R(f);N_GUARD,P_PINB(G)::R1(I),XP(g)
    • B(c);N_GUARD::S(J)
    • B(c);S_CUTR(f)::R1(I),XP(g)
    • B(c);N_GUARD::S(J),XB(c)
    • B(h);S_CUTR(f)::R1(I),XP(g)
    • S(i);N_GUARD::S(J),XS(i)
    • S(i);N_GUARD::S(J)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • R(f);S_CUTB(c)::S(J)
        • B(c);S_CUTR(f)::R1(I),XP(g)
      • Refutation
        • Q(a);
    • Try
      • B(A);CHECK
      • Vars
        • B(h);XB(A)::R1(I),XP(g)
      • Refutation
        • R(f);XB(A)
    • Try
      • B(G);
      • Threat
        • DUALS(2)
      • Vars
        • R(f);XB(G)::S(J)
        • B(c);XB(G)::R1(I),XP(g)
        • Q(a);::R1(I),XP(g)
        • Q(a);::S(J)
        • B(c);::S(J)
      • Refutation
        • R(f);CHECK
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • Q(a);N_GUARD::S(F)
      • R(f);S_CUTB(c)::S(J)
      • B(c);S_CUTR(f)::R1(I),XP(g)
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