MESON Chess Problem Database

Problem Display
PID: 152634 (8/7p/p6R/pk2N1P1/1p1RN3/2p5/p7/K1Q5 w - - 0 1)

Basisty, Mark Borisovich

5/6 Place, Match: Heroic Cities, 2005

8/7p/p6R/pk2N1P1/1p1RN3/2p5/p7/K1Q5

#2

7 + 7

15323 FIDE Album (2004-2006) 2013

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.Qf1#
    • 1...a4
      • 2.Rd5#
  • Tries
    • 1.Sxc3+?
      • 1...Kc5
        • 2.Rc4#
        • 2.Rd5#
      • 1...bxc3!
    • 1.Rb6+?
      • 1...Ka4
        • 2.Sc5#
      • 1...Kxb6!
    • 1.Qd1?
      • threat
        • 2.Rd5#
      • 1...b3
        • 2.Qe2#
        • 2.Qxb3#
        • 2.Qf1#
        • 2.Qd3#
      • 1...c2!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Rd5#
      • 1...b3
        • 2.Qxb3#
        • 2.Qd3#
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • P(c);::QAB(B)
    • P(d);SBLOCK::R(C)
  • Tries
    • Try
      • S(D);CHECK,XP(b)
      • Refutation
        • P(c);XS(D)
    • Try
      • R(G);CHECK
      • Vars
        • K(e);P_SPINP(c),S_FLIGHT::S(D)
      • Refutation
        • K(e);P-FLIGHT,XR(G)
    • Try
      • Q(B);
      • Threat
        • R(C)
      • Refutation
        • P(b);
  • Actual
    • Q(B);
    • Threat
      • R(C)
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