MESON Chess Problem Database

Problem Display
PID: 80096 (8/5P2/1p4p1/1Npk2N1/6P1/5R2/K5R1/B6B w - - 0 1)

Sujitno, K

Probleemblad, 2008

8/5P2/1p4p1/1Npk2N1/6P1/5R2/K5R1/B6B

#2

9 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.Rc2?
      • threat
        • 2.Rf1#
        • 2.Rff2#
        • 2.Ra3#
        • 2.Rb3#
        • 2.Rd3#
        • 2.Re3#
        • 2.Rg3#
        • 2.Rh3#
        • 2.Rf4#
        • 2.Rf5#
        • 2.Rf6#
      • 1...c4
        • 2.Rf5#
      • 1...Kc6!
    • 1.Rd2+?
      • 1...Kc6
        • 2.Rb3#
      • 1...Kc4!
    • 1.Rb3?
      • threat
        • 2.Rc2#
      • 1...Kc4
        • 2.Rc2#
      • 1...Kc6
        • 2.Rd2#
      • 1...c4!
    • 1.Rd3+?
      • 1...Kc6
        • 2.Rb2#
      • 1...Kc4!
  • Keys
    • 1.Rb2!
      • 1...Kc4
        • 2.Rc3#
      • 1...Ke5
        • 2.Rd2#
      • 1...Kc6
        • 2.Rd3#
      • 1...c4
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(D);
      • Threat
        • DUALS(11)
      • Vars
        • P(a);::B(B)+R(E),DCHECK
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • R(D);CHECK
      • Vars
        • K(b);S_FLIGHT::B(B)+R(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • R(E);
      • Threat
        • B(B)+R(D)
      • Vars
        • K(b);S_FLIGHT::R(D)
        • K(b);S_FLIGHT::B(B)+R(D)
      • Refutation
        • P(a);
    • Try
      • R(E);CHECK
      • Vars
        • K(b);S_FLIGHT::B(B)+R(D)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(D);
    • Vars
      • K(b);S_FLIGHT::R1(E)
      • K(b);P-FLIGHT::B(A)+R(D)
      • K(b);S_FLIGHT::B(B)+R(E)
      • P(a);SBLOCK::B(B)+R(E),DCHECK
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