MESON Chess Problem Database

Problem Display
PID: 24688 (8/1b2N1K1/8/r2Pp3/1n1kp1N1/1PR1pPPQ/1Ppr4/8 w - - 0 1)

Ingre, Bengt

16th Place, Match: Sweden - Yogoslavia, 1986

8/1b2N1K1/8/r2Pp3/1n1kp1N1/1PR1pPPQ/1Ppr4/8

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.Rc4#
    • 1...Rxd5
      • 2.Sf5#
    • 1...Bxd5
      • 2.Sf5#
    • 1...Sd3
      • 2.Rc4#
    • 1...Sxd5
      • 2.Sf5#
  • Tries
    • 1.Qh5?
      • threat
        • 2.Qxe5#
      • 1...Rxd5
        • 2.Sf5#
      • 1...Sd3
        • 2.Rc4#
      • 1...Sc6!
    • 1.Qh6?
      • threat
        • 2.Qxe3#
      • 1...Sxd5
        • 2.Sf5#
      • 1...Rd3
        • 2.Rc4#
      • 1...e2
        • 2.Qe3#
      • 1...Re2!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qxe4#
      • 1...Bxd5
        • 2.Sf5#
      • 1...exf3
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • R(b);SBLOCK::R1(C)
    • R(g);SBLOCK,XP(H)::S(I)
    • B(i);SBLOCK,XP(H)::S(I)
    • S(d);SBLOCK::R1(C)
    • S(d);SBLOCK,XP(H)::S(I)
  • Tries
    • Try
      • Q(F);
      • Threat
        • QAB1(F),XP(h)
      • Vars
        • R(g);SBLOCK,XP(H)::S(I)
        • S(d);SBLOCK::R1(C)
      • Refutation
        • S(d);
    • Try
      • Q(F);
      • Threat
        • QAB1(F),XP(c)
      • Vars
        • S(d);SBLOCK,XP(H)::S(I)
        • R(b);SBLOCK::R1(C)
        • P(c);::QAB1(F)
      • Refutation
        • R(b);
  • Actual
    • Q(F);
    • Threat
      • QAR1(F),XP(f)
    • Vars
      • B(i);SBLOCK,XP(H)::S(I)
      • P(f);XP(D)::R1(C)
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