MESON Chess Problem Database

Problem Display
PID: 41568 (1B1br3/KRp5/p2p1p2/2k3N1/B1p1P3/6Qr/2nN4/3R4 w - - 0 1)

Maleika, Gerhard

Die Schwalbe, 2002

1B1br3/KRp5/p2p1p2/2k3N1/B1p1P3/6Qr/2nN4/3R4

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Sb3#
    • 1...Rxe4
      • 2.Sdxe4#
    • 1...Re6
      • 2.Sxe6#
    • 1...Rf8
      • 2.Se6#
    • 1...Rg8
      • 2.Se6#
    • 1...Rh8
      • 2.Se6#
    • 1...Be7
      • 2.Se6#
    • 1...c6
      • 2.Qxd6#
  • Tries
    • 1.Kxa6?
      • threat
        • 2.Ba7#
      • 1...Kd4
        • 2.Sb3#
      • 1...Rxe4
        • 2.Sdxe4#
      • 1...c6
        • 2.Qxd6#
      • 1...Sb4+!
    • 1.Rb5+?
      • 1...Kd4
        • 2.Sb1#
        • 2.Sf1#
        • 2.Sb3#
        • 2.Rd5#
      • 1...Kc6
        • 2.Ra5#
        • 2.Rd5#
        • 2.Re5#
        • 2.Rf5#
      • 1...axb5!
  • Keys
    • 1.Ka8!
      • threat
        • 2.Ba7#
      • 1...Kd4
        • 2.Sb3#
      • 1...Rxe4
        • 2.Sdxe4#
      • 1...Be7
        • 2.Se6#
      • 1...c6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • K(d);S_FLIGHT::R(A)+S(B),DCHECK
    • R(j);XP(E)::S(B),XR(j)
    • R(j);N_GUARD::S(F),XR(j)
    • R(j);N_GUARD::S(F)
    • B(i);S_CUTR(j)::S(F)
    • P(h);N_GUARD::QAB1(C),XP(f)
  • Tries
    • Try
      • K(G);P-FLIGHT,XP(e)
      • Threat
        • B(I)
      • Vars
        • K(d);S_FLIGHT::R(A)+S(B),DCHECK
        • R(j);XP(E)::S(B),XR(j)
        • P(h);N_GUARD::QAB1(C),XP(f)
      • Refutation
        • S(a);CHECK
    • Try
      • R(H);CHECK
      • Refutation
        • P(e);XR(H)
  • Actual
    • K(G);P-FLIGHT
    • Threat
      • B(I)
    • Vars
      • K(d);S_FLIGHT::R(A)+S(B),DCHECK
      • R(j);XP(E)::S(B),XR(j)
      • B(i);P_PINB(I),S_CUTR(j)::S(F)
      • P(h);N_GUARD::QAB1(C),XP(f)
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