MESON Chess Problem Database

Problem Display
PID: 17529 (8/5Q2/2nK4/4p3/2R5/1p1kP3/4p1b1/4B3 w - - 0 1)

Mikan, Ilja

Nova Svoboda, 1947

8/5Q2/2nK4/4p3/2R5/1p1kP3/4p1b1/4B3

#2

5 + 6

5505 Dobrodruzstvi 64 poli 1973

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Rc3#
    • 1...e4
      • 2.Rc3#
  • Tries
    • 1.Qf3?
      • threat
        • 2.Rc3#
      • 1...Kxc4
        • 2.Qxe2#
      • 1...Bxf3!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qxb3#
      • 1...Kxe3
        • 2.Qxb3#
      • 1...Kxc4
        • 2.Qa6#
      • 1...Sb4
        • 2.Rc3#
      • 1...Sd4
        • 2.Rc3#
      • 1...Sa5
        • 2.Rc3#
      • 1...b2
        • 2.Qb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 2
  • Sets
    • B(b);SBLOCK::R1(C)
    • P(e);SBLOCK::R1(C)
  • Tries
    • Try
      • Q(E);
      • Threat
        • R1(C)
      • Vars
        • K(d);S_FLIGHT,XR(C)::QAB(E),XP(a)
      • Refutation
        • B(b);XQ(E)
  • Actual
    • Q(E);
    • Threat
      • QAR2(E),XP(c)
    • Vars
      • K(d);P-FLIGHT,XP(B)::QAR(E),XP(c)
      • K(d);OGATEB,S_FLIGHT,XR(C)::QAB(E)
      • S(f);::R1(C)
      • P(c);::QAR2(E)
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