MESON Chess Problem Database

Problem Display
PID: 6775 (8/8/5K2/5B2/p4k2/Q7/Rp6/8 w - - 0 1)

Schonberger, Tibor

2nd HM., Magyar Sakkvilag, 1933

8/8/5K2/5B2/p4k2/Q7/Rp6/8

#2

4 + 3

3295 Einfuhrung in die Welt des Schachproblem 1984
273 Mat Plus 1995
4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Sets
    • 1...b1Q
      • 2.Rf2#
    • 1...b1S
      • 2.Rf2#
    • 1...b1B
      • 2.Rf2#
    • 1...b1R
      • 2.Rf2#
  • Tries
    • 1.Qc3?
      • threat
        • 2.Rxa4#
      • 1...b1Q
        • 2.Rf2#
      • 1...b1B
        • 2.Rf2#
      • 1...b1R
        • 2.Rf2#
      • 1...a3!
    • 1.Qd3?
      • threat
        • 2.Rxa4#
      • 1...b1Q
        • 2.Rf2#
      • 1...b1R
        • 2.Rf2#
      • 1...a3!
    • 1.Qh3?
      • threat
        • 2.Rxa4#
      • 1...b1Q
        • 2.Rf2#
      • 1...b1B
        • 2.Rf2#
      • 1...b1R
        • 2.Rf2#
      • 1...a3!
  • Keys
    • 1.Qxb2!
      • threat
        • 2.Qf2#
      • 1...Ke3
        • 2.Qf2#
      • 1...Kf3
        • 2.Qf2#
      • 1...Kg3
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • P(a);OGATE::R(A)
  • Tries
    • Try
      • Q(B);
      • Threat
        • R(A),XP(b)
      • Vars
        • P(a);OGATE::R(A)
      • Refutation
        • P(b);
    • Try
      • Q(B);
      • Threat
        • R(A),XP(b)
      • Vars
        • P(a);OGATE::R(A)
      • Refutation
        • P(b);
    • Try
      • Q(B);
      • Threat
        • R(A),XP(b)
      • Vars
        • P(a);OGATE::R(A)
      • Refutation
        • P(b);
  • Actual
    • Q(B);XP(a)
    • Threat
      • QAR2(B)
    • Vars
      • K(c);S_FLIGHT::QAB1(B)
      • K(c);P-FLIGHT::QAR1(B)
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