MESON Chess Problem Database

Problem Display
PID: 83850 (6b1/3p2r1/2P3n1/2k1B3/pRN5/K7/8/7Q w - - 0 1)

Roura, Juan R

Good Companions, 1918

6b1/3p2r1/2P3n1/2k1B3/pRN5/K7/8/7Q

#2

6 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Rb5+?
      • 1...Kxc4
        • 2.Qf1#
      • 1...Kxb5!
  • Keys
    • 1.Sa5!
      • threat
        • 2.Sb7#
      • 1...dxc6
        • 2.Qxc6#
      • 1...Bd5
        • 2.Qg1#
      • 1...d5
        • 2.Qc1#
      • 1...d6
        • 2.Bd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(b);P-FLIGHT,XS(D)::QAB(A)
      • Refutation
        • K(b);P-FLIGHT,XR(C)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • P(d);OGATE,XP(F)::QAR1(A),XP(d)
      • B(f);SBLOCK::QAB(A)
      • P(d);SBLOCK,S_CUTB(f)::QAR(A)
      • P(d);SBLOCK::B(E)
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