MESON Chess Problem Database

Problem Display
PID: 229394 (7K/4Pp2/4n3/3p4/1RbBkp2/2pN1NpB/3P1PQ1/1r1R3n w - - 0 1)

Mlynka, Karol

Sachova skladba, 2004

7K/4Pp2/4n3/3p4/1RbBkp2/2pN1NpB/3P1PQ1/1r1R3n

#2

11 + 10

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bxd3
      • 2.Sg5#
    • 1...Sxd4
      • 2.Sc5#
    • 1...Sc5
      • 2.Sxc5#
    • 1...Sg5
      • 2.Sc5#
    • 1...Sc7
      • 2.Sc5#
    • 1...Sg7
      • 2.Sc5#
    • 1...Sd8
      • 2.Sc5#
    • 1...Sf8
      • 2.Sc5#
  • Tries
    • 1.Re1+?
      • 1...Kxd3
        • 2.Bf5#
      • 1...Rxe1!
    • 1.dxc3?
      • threat
        • 2.Sg5#
      • 1...Sg5
        • 2.Sc5#
        • 2.Sxg5#
      • 1...Rxd1!
    • 1.e8Q?
      • threat
        • 2.Sc5#
      • 1...Bxd3
        • 2.Sg5#
      • 1...Kxd3!
    • 1.e8R?
      • threat
        • 2.Sc5#
      • 1...Bxd3
        • 2.Sg5#
      • 1...Kxd3!
  • Keys
    • 1.fxg3!
      • threat
        • 2.Qe2#
      • 1...Kxd3
        • 2.Bf5#
      • 1...Bxd3
        • 2.Sg5#
      • 1...Sxg3
        • 2.Sf2#
      • 1...Sxd4
        • 2.Sc5#
      • 1...Sf2
        • 2.Sxf2#

This is a version of 229393

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • B(e);SBLOCK,XS(E)::QAB(D)+S(F),DCHECK
    • S(i);N_GUARD,XB(I)::S(E)
    • S(i);N_GUARD::S(E),XS(i)
    • S(i);N_GUARD::S(E)
  • Tries
    • Try
      • R(A);CHECK
      • Vars
        • K(f);S_FLIGHT,XS(E)::B(G)
      • Refutation
        • R(a);XR(A)
    • Try
      • P(B);XP(c)
      • Threat
        • QAB(D)+S(F),DCHECK
      • Refutation
        • R(a);XR(A)
    • Try
      • P(J);P_PINS(i)
      • Threat
        • S(E)
      • Vars
        • B(e);SBLOCK,XS(E)::QAB(D)+S(F),DCHECK
      • Refutation
        • K(f);N_SPINS(i),S_FLIGHT,XS(E)
    • Try
      • P(J);P_PINS(i)
      • Threat
        • S(E)
      • Vars
        • B(e);SBLOCK,XS(E)::QAB(D)+S(F),DCHECK
      • Refutation
        • K(f);N_SPINS(i),S_FLIGHT,XS(E)
  • Actual
    • P(C);XP(d)
    • Threat
      • QAR2(D)
    • Vars
      • K(f);S_FLIGHT,XS(E)::B(G)
      • B(e);SBLOCK,XS(E)::QAB(D)+S(F),DCHECK
      • S(b);N_GUARD,XP(C)::S(E)
      • S(i);N_GUARD,XB(I)::S(E)
      • S(b);N_GUARD::S(E),XS(b)
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