MESON Chess Problem Database

Problem Display
PID: 259519 (1qQ3b1/2b1r2B/2NP4/R2pp3/2R1r1p1/1P1k2N1/1P4K1/1nB5 w - - 0 1)

Mosiashvili, Givi

Variantim, 2022

1qQ3b1/2b1r2B/2NP4/R2pp3/2R1r1p1/1P1k2N1/1P4K1/1nB5

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Qa7
      • 2.Sb4#
    • 1...Qb4
      • 2.Sxb4#
    • 1...Qa8
      • 2.Sb4#
    • 1...Qxc8
      • 2.Sb4#
    • 1...Re6
      • 2.Rxd5#
    • 1...Rd7
      • 2.Sxe5#
    • 1...Rf7
      • 2.Sxe5#
      • 2.Rxd5#
    • 1...Rg7
      • 2.Sxe5#
    • 1...Bb6
      • 2.Sb4#
    • 1...Be6
      • 2.Sxe5#
    • 1...Sd2
      • 2.Rc3#
    • 1...Sa3
      • 2.Rc3#
    • 1...Sc3
      • 2.Rxc3#
    • 1...dxc4
      • 2.Bxe4#
    • 1...d4
      • 2.Bxe4#
  • Tries
    • 1.Qa6?
      • threat
        • 2.Rc3#
      • 1...dxc4
        • 2.Bxe4#
      • 1...Sc3
        • 2.Rxc3#
      • 1...Qb5!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qf1#
      • 1...Rxh7
        • 2.Sxe5#
      • 1...Bxh7
        • 2.Rxd5#
      • 1...dxc4
        • 2.Qxe4#
      • 1...Sd2
        • 2.Rc3#
      • 1...Sc3
        • 2.Rxc3#
      • 1...Qf8
        • 2.Sb4#
      • 1...Rf7
        • 2.Sxe5#
        • 2.Rxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 11
  • Sets
    • Q(i);N_GUARD::S(H)
    • Q(i);N_GUARD::S(H),XQ(i)
    • Q(i);N_GUARD,XQ(K)::S(H)
    • R(h);S_CUTB(j)::R(G),XP(e)
    • R(h);N_GUARD::S(H),XP(f)
    • B(g);S_CUTQ(i)::S(H)
    • B(j);S_CUTR(h)::S(H),XP(f)
    • S(a);N_GUARD::R1(F)
    • S(a);N_GUARD::R1(F),XS(a)
    • P(e);N_GUARD,XR(F)::B(J),XR(c)
    • P(e);N_GUARD::B(J),XR(c)
  • Tries
    • Try
      • Q(K);
      • Threat
        • QAB(K)+R(F),DCHECK
      • Vars
        • P(e);N_GUARD,P_SPINP(e),XR(F)::B(J),XR(c)
        • S(a);::QAB(K)+R(F),DCHECK,XS(a)
      • Refutation
        • Q(i);
  • Actual
    • Q(K);
    • Threat
      • QAB(K)
    • Vars
      • R(h);N_GUARD,XB(J)::S(H),XP(f)
      • B(j);N_GUARD,XB(J)::R(G),XP(e)
      • P(e);N_GUARD,XR(F)::QAB1(K),XR(c)
      • S(a);N_GUARD::R1(F)
      • S(a);N_GUARD::R1(F),XS(a)
      • Q(i);N_GUARD::S(H)
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