MESON Chess Problem Database

Problem Display
PID: 52303 (b3r2b/6Qp/3ppn2/2p1kpP1/1P3Np1/3pP3/2PN4/6K1 w - - 0 1)

Szabo, Tibor

Comm., Het Belgisch Schaakbord (L'Echiquier Belge), 1984-1985

b3r2b/6Qp/3ppn2/2p1kpP1/1P3Np1/3pP3/2PN4/6K1

#2

8 + 12

5110 Bekroonde Problemen 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Sc4#
    • 1...Bd5
      • 2.Sxd3#
    • 1...d5
      • 2.Qc7#
  • Tries
    • 1.Qb7?
      • threat
        • 2.Sc4#
        • 2.Sxd3#
      • 1...dxc2
        • 2.Sc4#
        • 2.Sd3#
      • 1...d5
        • 2.Qc7#
      • 1...Sd5
        • 2.Sxd3#
      • 1...c4
        • 2.Sxc4#
      • 1...Bxb7!
    • 1.cxd3?
      • threat
        • 2.Sc4#
      • 1...d5
        • 2.Qc7#
      • 1...c4
        • 2.Sxc4#
        • 2.d4#
      • 1...Bd5!
    • 1.c4?
      • threat
        • 2.Sxd3#
      • 1...d5
        • 2.Qc7#
      • 1...Be4!
  • Keys
    • 1.Qa7!
      • threat
        • 2.Qa1#
      • 1...d5
        • 2.Qc7#
      • 1...Se4
        • 2.Sc4#
      • 1...Sd5
        • 2.Sxd3#
      • 1...c4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(j);SBLOCK::S(C)
    • B(j);SBLOCK::S(F),XP(a)
    • P(f);OGATEB::QAB(H)
  • Tries
    • Try
      • Q(H);N_PINS(h)
      • Threat
        • DUALS(2)
      • Vars
        • P(f);OGATEB::QAB(H)
        • S(h);::S(F),XP(a)
        • P(c);::S(C),XP(c)
      • Refutation
        • B(j);XQ(H)
    • Try
      • P(B);XP(a)
      • Threat
        • S(C)
      • Vars
        • P(f);OGATEB::QAB(H)
      • Refutation
        • B(j);
    • Try
      • P(B);
      • Threat
        • S(F),XP(a)
      • Vars
        • P(f);OGATEB::QAB(H)
      • Refutation
        • B(j);
  • Actual
    • Q(H);N_PINS(h)
    • Threat
      • QAB(H)
    • Vars
      • P(f);OGATEB::QAB(H)
      • S(h);SBLOCK::S(C)
      • S(h);SBLOCK::S(F),XP(a)
      • P(c);OGATE::QAB1(H)
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