MESON Chess Problem Database

Problem Display
PID: 134220 (K7/Q7/8/8/8/p1R5/rPPB4/rk3B2 w - - 0 1)

Taraba, Jozef

4th Prize, SUV CSZTV, 1982

K7/Q7/8/8/8/p1R5/rPPB4/rk3B2

#2

7 + 4

14580 Chess Compositions (Taraba) 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxb2
      • 2.Qb6#
      • 2.Qb8#
      • 2.Qb7#
  • Tries
    • 1.Bc4?
      • 1...Kxb2
        • 2.Qb6#
        • 2.Qb8#
        • 2.Qb7#
      • 1...Rxb2
        • 2.Qg1#
      • 1...axb2!
    • 1.Ba6?
      • 1...Kxb2
        • 2.Qb6#
        • 2.Qb8#
        • 2.Qb7#
      • 1...axb2
        • 2.Qg1#
      • 1...Rxb2!
  • Keys
    • 1.Qg1!
      • 1...axb2+
        • 2.Ba6#
      • 1...Kxb2
        • 2.Qb6#
      • 1...Rxb2
        • 2.Bc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);
      • Vars
        • R(c);SBLOCK,XP(B)::QAR(F)
      • Refutation
        • P(d);P_PINQ(F),XP(B)
    • Try
      • B(A);
      • Vars
        • P(d);SBLOCK,XP(B)::QAR(F)
      • Refutation
        • R(c);XP(B)
  • Actual
    • Q(F);
    • Vars
      • P(d);CHECK,SBLOCK,XP(B)::QAR(F)+B(A)
      • K(b);OGATEB,P-FLIGHT,XP(B)::QAR(F)
      • R(c);SBLOCK,XP(B)::QAR(F)+B(A)
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