MESON Chess Problem Database

Problem Display
PID: 108890 (Q7/2K1P1PB/2P5/P7/3R4/1bB1p3/k5r1/1N2R3 w - - 0 1)

Simadhinata, Januarta (Siem Giok Liam)

El Ajedrez Espanol, 1963

Q7/2K1P1PB/2P5/P7/3R4/1bB1p3/k5r1/1N2R3

#2

11 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg8
      • 2.Bxg8#
      • 2.Qxg8#
  • Tries
    • 1.Bg8?
      • threat
        • 2.Ra4#
      • 1...Bxg8
        • 2.Qxg8#
      • 1...Bc4
        • 2.Bxc4#
      • 1...Bd5
        • 2.Bxd5#
      • 1...Be6
        • 2.Bxe6#
      • 1...Bf7
        • 2.Bxf7#
      • 1...Rg4!
  • Keys
    • 1.Qg8!
      • threat
        • 2.Ra4#
      • 1...Bxg8
        • 2.Bxg8#
      • 1...Bc4
        • 2.Qxc4#
      • 1...Bd5
        • 2.Qxd5#
      • 1...Be6
        • 2.Qxe6#
      • 1...Bf7
        • 2.Qxf7#
      • 1...Rg4
        • 2.Re2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(J);P_PINB(c)
      • Threat
        • R(D)
      • Vars
        • B(c);N_SPINB(c),OGATE,XB(J)::QAB(K),XB(c)
        • B(c);OGATEB::B(J),XB(c)
      • Refutation
        • R(b);
  • Actual
    • Q(K);P_PINB(c)
    • Threat
      • R(D)
    • Vars
      • B(c);N_SPINB(c),OGATE,XQ(K)::B(J),XB(c)
      • B(c);OGATEB::QAB(K),XB(c)
      • R(b);N_GUARD::R(B)
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