MESON Chess Problem Database

Problem Display
PID: 136994 (1r3Q2/5R1p/2Np4/3PP3/2N5/3k1Pp1/1pRp4/1K1Bb1q1 w - - 0 1)

Mosiashvili, Givi

1st Prize, Die Schwalbe, 2010

1r3Q2/5R1p/2Np4/3PP3/2N5/3k1Pp1/1pRp4/1K1Bb1q1

#2

10 + 9

23 Die Schwalbe 2012

SOLUTION

  • SOUND
  • Tries
    • 1.Rf4?
      • threat
        • 2.Qf5#
      • 1...Rxf8
        • 2.Sb4#
      • 1...dxe5
        • 2.S6xe5#
      • 1...Qd4
        • 2.Rxd4#
      • 1...Qe3!
    • 1.Qh6?
      • threat
        • 2.Qxh7#
      • 1...dxe5
        • 2.S4xe5#
      • 1...Qe3
        • 2.Qxe3#
      • 1...Qh2
        • 2.Qe3#
      • 1...Qh1
        • 2.Qe3#
      • 1...Rg8
        • 2.Sxb2#
      • 1...Rh8
        • 2.Sxb2#
      • 1...Qd4!
    • 1.Qxb8?
      • threat
        • 2.Qb3#
      • 1...Qd4
        • 2.Sb4#
      • 1...Qb6!
  • Keys
    • 1.Rb7!
      • threat
        • 2.Qf5#
      • 1...Rxf8
        • 2.Rb3#
      • 1...dxe5
        • 2.Qa3#
      • 1...Qe3
        • 2.Sxb2#
      • 1...Qd4
        • 2.Sb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(I);
      • Threat
        • QAB(J)
      • Vars
        • R(i);N_GUARD,XQ(J)::S(H)
        • P(g);XP(G)::S(H),XP(g)
        • Q(b);N_GUARD::R1(I),XQ(b)
      • Refutation
        • Q(b);
    • Try
      • Q(J);
      • Threat
        • QAB(J),XP(h)
      • Vars
        • P(g);XP(G)::S(E),XP(g)
        • Q(b);N_GUARD::QAR1(J),XQ(b)
        • Q(b);N_GUARD::QAR1(J)
        • R(i);N_GUARD::S(E),XP(c)
      • Refutation
        • Q(b);
    • Try
      • Q(J);XR(i)
      • Threat
        • QAR2(J)
      • Vars
        • Q(b);SBLOCK::S(H)
      • Refutation
        • Q(b);
  • Actual
    • R(I);
    • Threat
      • QAB(J)
    • Vars
      • R(i);N_GUARD,XQ(J)::R(I)
      • P(g);OGATE,XP(G)::QAR(J)
      • Q(b);SBLOCK::S(E),XP(c)
      • Q(b);SBLOCK::S(H)
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