MESON Chess Problem Database

Problem Display
PID: 240078 (B1b5/nRppB3/1pN5/1p1kPP2/1P5R/1K1p2Qp/4p2n/8 w - - 0 1)

Mosiashvili, Givi

Problemist Ukraini, 2013

B1b5/nRppB3/1pN5/1p1kPP2/1P5R/1K1p2Qp/4p2n/8

#2

10 + 11

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sf1
      • 2.Qf3#
    • 1...Sf3
      • 2.Qxf3#
    • 1...Sg4
      • 2.Qf3#
  • Tries
    • 1.Bc5?
      • threat
        • 2.Se7#
      • 1...Kxc6
        • 2.Rxb6#
      • 1...dxc6
        • 2.Rd4#
      • 1...Sg4
        • 2.Qf3#
      • 1...Sxc6!
    • 1.Bf6?
      • threat
        • 2.Se7#
      • 1...Sxc6
        • 2.Qg8#
      • 1...dxc6
        • 2.Qxd3#
      • 1...Sg4
        • 2.Qf3#
      • 1...Kxc6!
    • 1.Rxb6?
      • threat
        • 2.Rd4#
        • 2.Qxd3#
        • 2.Qg8#
      • 1...Sxc6
        • 2.Rxb5#
      • 1...Sg4
        • 2.Qxd3#
        • 2.Qf3#
      • 1...e1S
        • 2.Rd4#
        • 2.Qg8#
      • 1...Sf3
        • 2.Qxf3#
        • 2.Qg8#
      • 1...d2
        • 2.Rd4#
        • 2.Qd3#
        • 2.Qg8#
      • 1...d6
        • 2.Rd4#
        • 2.Qxd3#
      • 1...dxc6!
    • 1.Qg2+?
      • 1...Sf3
        • 2.Qxf3#
      • 1...hxg2!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Se7#
      • 1...Kxc6
        • 2.Rxc7#
      • 1...Sxc6
        • 2.Qg8#
      • 1...dxc6
        • 2.Qxd3#
      • 1...Sg4
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(b);N_GUARD::QAB(B)
    • S(b);N_GUARD::QAB(B),XS(b)
  • Tries
    • Try
      • B(I);
      • Threat
        • S(G)
      • Vars
        • K(f);OGATEB,S_FLIGHT,XS(G)::B(J)+R(H),DCHECK,XP(g)
        • P(j);SBLOCK,XS(G)::R1(D)
        • S(b);N_GUARD::QAB(B)
      • Refutation
        • S(h);XS(G)
    • Try
      • B(I);
      • Threat
        • S(G)
      • Vars
        • S(h);SBLOCK,XS(G)::QAB(B)
        • P(j);SBLOCK,XS(G)::QAR2(B),XP(c)
        • S(b);N_GUARD::QAB(B)
      • Refutation
        • K(f);S_FLIGHT,XS(G)
    • Try
      • R(H);XP(g)
      • Threat
        • DUALS(3)
      • Vars
        • S(h);N_GUARD,P_SPINS(h),XS(G)::R(H),XP(e)
      • Refutation
        • P(j);P_SPINP(j),XS(G)
    • Try
      • Q(B);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::QAB(B),XS(b)
      • Refutation
        • P(d);XQ(B)
  • Actual
    • B(I);
    • Threat
      • S(G)
    • Vars
      • K(f);OGATEB,S_FLIGHT,XS(G)::B(J)+R(H),DCHECK,XP(i)
      • S(h);SBLOCK,XS(G)::QAB(B)
      • P(j);SBLOCK,XS(G)::QAR2(B),XP(c)
      • S(b);N_GUARD::QAB(B)
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