MESON Chess Problem Database

Problem Display
PID: 92007 (5R2/b7/6K1/Q1nN2Pp/p1P1k2r/R3PN2/3Pbp2/B4n2 w - - 0 1)

Paslack, Rainer

Schach, 2003

5R2/b7/6K1/Q1nN2Pp/p1P1k2r/R3PN2/3Pbp2/B4n2

#2

11 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Rf4#
    • 1...Rh2
      • 2.Rf4#
    • 1...Rh3
      • 2.Rf4#
    • 1...Rf4
      • 2.Rxf4#
    • 1...Bd3
      • 2.Sc3#
    • 1...Bxf3
      • 2.Sf6#
    • 1...Sxd2
      • 2.Sxd2#
    • 1...Sxe3
      • 2.Rxe3#
    • 1...Sd3
      • 2.Sc3#
  • Tries
    • 1.Sxh4?
      • threat
        • 2.Sf6#
        • 2.Rf4#
      • 1...Bxc4
        • 2.Sf6#
      • 1...Sxe3
        • 2.Rxe3#
        • 2.Rf4#
      • 1...Bb8
        • 2.Sf6#
      • 1...Sd3
        • 2.Sc3#
        • 2.Sf6#
      • 1...Se6
        • 2.Sf6#
      • 1...Sd7
        • 2.Rf4#
      • 1...Sb3!
    • 1.Qd8?
      • threat
        • 2.Sc3#
      • 1...Bxf3
        • 2.Sf6#
      • 1...Sxd2
        • 2.Sxd2#
      • 1...Rf4
        • 2.Rxf4#
      • 1...Sd7!
  • Keys
    • 1.Se5!
      • threat
        • 2.Sf6#
      • 1...Sxe3
        • 2.Rxe3#
      • 1...Rf4
        • 2.Rxf4#
      • 1...Sd7
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • R(f);N_GUARD::R1(K)
    • R(f);N_GUARD::R1(K),XR(f)
    • B(b);SBLOCK::S(H)
    • B(b);SBLOCK,XS(E)::S(H)
    • S(a);XP(B)::S(E),XS(a)
    • S(a);OGATE,XP(D)::R1(C),XS(a)
    • S(g);SBLOCK::S(H)
  • Tries
    • Try
      • S(E);XR(f)
      • Threat
        • DUALS(2)
      • Vars
        • B(b);XP(F)::S(H)
        • B(i);::S(H)
        • S(g);::S(H)
        • S(g);::R1(K)
      • Refutation
        • S(g);
    • Try
      • Q(G);
      • Threat
        • S(H)
      • Vars
        • B(b);SBLOCK,XS(E)::S(H)
        • S(a);XP(B)::S(E),XS(a)
        • R(f);N_GUARD::R1(K),XR(f)
      • Refutation
        • S(g);
  • Actual
    • S(E);
    • Threat
      • S(H)
    • Vars
      • S(a);OGATE,XP(D)::R1(C),XS(a)
      • R(f);N_GUARD::R1(K),XR(f)
      • S(g);::S(H)
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