MESON Chess Problem Database

Problem Display
PID: 160496 (8/8/Q5p1/1p1pkp1P/2P2R2/1Pn2PN1/2K3NB/8 w - - 0 1)

Guida, Marco

1st Prize, Ovechkin-100 MT, 2011

8/8/Q5p1/1p1pkp1P/2P2R2/1Pn2PN1/2K3NB/8

#2

10 + 6

4901 Best Problems 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Sf1?
      • threat
        • 2.Re4#
      • 1...Se4
        • 2.Rxe4#
      • 1...dxc4!
    • 1.Sh1?
      • threat
        • 2.Re4#
      • 1...Se4
        • 2.Rxe4#
      • 1...dxc4!
    • 1.Se2?
      • threat
        • 2.Re4#
      • 1...Se4
        • 2.Rxe4#
      • 1...dxc4!
    • 1.Sxf5?
      • threat
        • 2.Qd6#
      • 1...gxf5
        • 2.Re4#
      • 1...Se4!
    • 1.Rxf5+?
      • 1...Kd4
        • 2.Bg1#
        • 2.Qb6#
        • 2.Qa7#
      • 1...gxf5!
  • Keys
    • 1.Se4!
      • threat
        • 2.Qf6#
      • 1...Kd4
        • 2.Qf6#
      • 1...Sxe4
        • 2.Rxe4#
      • 1...dxc4
        • 2.Qd6#
      • 1...dxe4
        • 2.Rxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);
      • Threat
        • B(C)+R(H),DCHECK
      • Vars
        • S(a);::B(C)+R(H),DCHECK,XS(a)
      • Refutation
        • P(c);XP(G)
    • Try
      • S(F);
      • Threat
        • B(C)+R(H),DCHECK
      • Vars
        • S(a);::B(C)+R(H),DCHECK,XS(a)
      • Refutation
        • P(c);XP(G)
    • Try
      • S(F);
      • Threat
        • B(C)+R(H),DCHECK
      • Vars
        • S(a);::B(C)+R(H),DCHECK,XS(a)
      • Refutation
        • P(c);XP(G)
    • Try
      • S(F);XP(e)
      • Threat
        • QAB1(J)
      • Vars
        • P(f);SBLOCK,XS(F)::B(C)+R(H),DCHECK
      • Refutation
        • S(a);
    • Try
      • R(H);CHECK,XP(e)
      • Refutation
        • P(f);XR(H)
  • Actual
    • S(F);
    • Threat
      • QAB1(J)
    • Vars
      • K(d);S_FLIGHT::QAB(J)
      • S(a);OGATE,XS(F)::B(C)+R(H),DCHECK,XS(a)
      • P(c);XP(G)::QAB1(J)
      • P(c);OGATE,XS(F)::B(C)+R(H),DCHECK,XP(c)
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