MESON Chess Problem Database

Problem Display
PID: 84829 (1Rb5/2P2p2/1K1B2n1/P2B4/N2kP3/ppR1N3/q1pP4/2n5 w - - 0 1)

Coello Alonso, Jose Antonio

Petite, Efren

Mezija, 1999

1Rb5/2P2p2/1K1B2n1/P2B4/N2kP3/ppR1N3/q1pP4/2n5

#2

11 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Sxf5#
    • 1...Ba6
      • 2.Sf5#
    • 1...Bb7
      • 2.Sf5#
    • 1...Sd3
      • 2.Rc4#
    • 1...Se5
      • 2.Bc5#
    • 1...b2
      • 2.Sxc2#
  • Tries
    • 1.Sg4?
      • threat
        • 2.Bc5#
      • 1...Sd3
        • 2.Rc4#
      • 1...Bxg4!
    • 1.Sc5?
      • threat
        • 2.Rc4#
      • 1...Ba6
        • 2.Sf5#
      • 1...b2
        • 2.Sxc2#
      • 1...Se5!
  • Keys
    • 1.Ka7!
      • threat
        • 2.Rb4#
      • 1...Ba6
        • 2.Sf5#
      • 1...Bb7
        • 2.Sf5#
      • 1...Sd3
        • 2.Rc4#
      • 1...Se5
        • 2.Bc5#
      • 1...b2
        • 2.Sxc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(i);N_GUARD::S(C),XB(i)
    • B(i);N_GUARD::S(C)
    • S(a);SBLOCK::R1(B)
    • S(g);SBLOCK::B(I)
    • P(e);N_GUARD,S_CUTQ(b)::S(C),XP(c)
  • Tries
    • Try
      • S(C);
      • Threat
        • B(I)
      • Vars
        • S(a);SBLOCK::R1(B)
      • Refutation
        • B(i);XS(C)
    • Try
      • S(D);
      • Threat
        • R1(B)
      • Vars
        • B(i);N_GUARD::S(C)
        • P(e);N_GUARD,S_CUTQ(b)::S(C),XP(c)
      • Refutation
        • S(g);
  • Actual
    • K(H);S_FLIGHT
    • Threat
      • R(K)
    • Vars
      • B(i);N_GUARD::S(C)
      • S(a);SBLOCK::R1(B)
      • S(g);SBLOCK::B(I)
      • P(e);N_GUARD,S_CUTQ(b)::S(C),XP(c)
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