MESON Chess Problem Database

Problem Display
PID: 99386 (4RB2/1p1P4/3p2p1/8/2PkN3/p2P4/1RPp3K/1nN4B w - - 0 1)

Schenkerik, Csaba

Magyar Sakkelet, 1987

4RB2/1p1P4/3p2p1/8/2PkN3/p2P4/1RPp3K/1nN4B

#2

11 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...d5
      • 2.Bc5#
  • Tries
    • 1.d8Q?
      • threat
        • 2.Qb6#
      • 1...b6
        • 2.Qxb6#
      • 1...Ke3!
    • 1.d8B?
      • threat
        • 2.Bb6#
      • 1...b6
        • 2.Bxb6#
      • 1...Ke3!
  • Keys
    • 1.Sxd6!
      • threat
        • 2.Sb5#
      • 1...Kc3
        • 2.Bg7#
      • 1...Kc5
        • 2.Sf5#
      • 1...Sc3
        • 2.Sb3#
      • 1...b5
        • 2.Sxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(e);OGATE::B(K)
  • Tries
    • Try
      • P(I);P_PINP(e)
      • Threat
        • QAB(I)
      • Vars
        • P(g);::QAB(I),XP(g)
      • Refutation
        • K(d);N_SPINP(e),S_FLIGHT
    • Try
      • P(I);
      • Threat
        • B(I)
      • Vars
        • P(g);::B(I),XP(g)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • S(H);XP(e)
    • Threat
      • S(H)
    • Vars
      • K(d);S_FLIGHT::B(K)
      • K(d);S_FLIGHT::B(K)+S(H)
      • S(a);SBLOCK::S(A)
      • P(g);::S(H),XP(g)
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