MESON Chess Problem Database

Problem Display
PID: 26815 (r3k3/8/Pp2K3/8/5R2/8/Q7/8 w q - 0 1)

Mosiashvili, Givi

Die Schwalbe, 2001

r3k3/8/Pp2K3/8/5R2/8/Q7/8

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002
145 StrateGems 2008
3713 Snap 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Qd5?
      • threat
        • 2.Qxa8#
        • 2.Qd7#
      • 1...Rxa6
        • 2.Qd7#
      • 1...Rb8
        • 2.Qd7#
      • 1...Rc8
        • 2.Qd7#
      • 1...Rd8
        • 2.Qh5#
      • 1...Ra7!
    • 1.Qg2?
      • threat
        • 2.Qxa8#
        • 2.Qg8#
      • 1...0-0-0
        • 2.Qb7#
      • 1...Rxa6
        • 2.Qg8#
      • 1...Rb8
        • 2.Qg8#
      • 1...Ra7
        • 2.Qg8#
      • 1...Rc8
        • 2.Qg8#
      • 1...Rd8
        • 2.Qg6#
        • 2.Qg8#
      • 1...Kd8!
    • 1.Qa4+?
      • 1...Kd8
        • 2.Qd7#
      • 1...b5!
  • Keys
    • 1.Qh2!
      • threat
        • 2.Qh8#
      • 1...Kd8
        • 2.Rf8#
      • 1...0-0-0
        • 2.Rc4#

Anticipated by 141232(1987)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);XP(C)::QAB1(A)
        • R(b);::QAB1(A)
        • R(b);SBLOCK::QAB(A)
      • Refutation
        • R(b);
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(c);0-0-0,OGATEB::QAB1(A)
        • R(b);XP(C)::QAR2(A)
        • R(b);::QAR2(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);P-FLIGHT::QAR1(A)
      • Refutation
        • P(a);P_SPINP(a)
  • Actual
    • Q(A);
    • Threat
      • QAR(A)
    • Vars
      • K(c);P-FLIGHT::R(B)
      • K(c);0-0-0,OGATEB::R(B)
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