MESON Chess Problem Database

Problem Display
PID: 96599 (5B2/8/8/3PpR2/1Nbk1b2/1P1Pp1N1/1K1pR3/3B4 w - - 0 1)

Nascimento, Raul C

Problemas, 1999

5B2/8/8/3PpR2/1Nbk1b2/1P1Pp1N1/1K1pR3/3B4

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sc6+?
      • 1...Kxd3
        • 2.Bc2#
      • 1...Kxd5!
    • 1.Rxf4+?
      • 1...e4
        • 2.Rxe4#
      • 1...exf4!
    • 1.Rxe5?
      • threat
        • 2.Re4#
      • 1...Bxd3
        • 2.Sc6#
      • 1...Bxd5
        • 2.Rxd5#
      • 1...Bxe5
        • 2.Sf5#
      • 1...Kxe5!
  • Keys
    • 1.Rxe3!
      • threat
        • 2.Re4#
      • 1...Kxe3
        • 2.Bc5#
      • 1...Bxd3
        • 2.Rxd3#
      • 1...Bxd5
        • 2.Sc2#
      • 1...Bxe3
        • 2.Se2#
      • 1...e4
        • 2.Sc2#
        • 2.Rxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(d);P-FLIGHT,XP(E)::B(A)
      • Refutation
        • K(d);P-FLIGHT,P_SPINP(f),XP(H)
    • Try
      • R(I);CHECK,XB(e)
      • Vars
        • P(f);P_SPINP(f)::R1(I),XP(f)
      • Refutation
        • P(f);XR(I)
    • Try
      • R(I);XP(f)
      • Threat
        • R1(I)
      • Vars
        • B(c);SBLOCK,XP(E)::S(G)
        • B(c);OGATE,XP(H)::R1(I),XB(c)
        • B(e);SBLOCK,XR(I)::S(F)
      • Refutation
        • K(d);P_SPINP(b),S_FLIGHT,XR(I)
  • Actual
    • R(C);XP(b)
    • Threat
      • R1(C)
    • Vars
      • K(d);S_FLIGHT,XR(C)::B(J)
      • B(c);OGATE,XP(E)::R1(C),XB(c)
      • B(c);SBLOCK,XP(H)::S(G)
      • B(e);SBLOCK,XR(C)::S(F)
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