MESON Chess Problem Database

Problem Display
PID: 240092 (q5B1/2R1pn2/1p1P1n2/pp2BR1p/3Nk1Pp/1Q2p3/2Pb4/6K1 w - - 0 1)

Mosiashvili, Givi

1st HM., Problemist Ukraini, 2019

q5B1/2R1pn2/1p1P1n2/pp2BR1p/3Nk1Pp/1Q2p3/2Pb4/6K1

#2

10 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Qd3#
    • 1...Sd5
      • 2.Qd3#
    • 1...Sg5
      • 2.Qd3#
    • 1...Sxd6
      • 2.Qd3#
    • 1...Sh6
      • 2.Qd3#
    • 1...Sd8
      • 2.Qd3#
    • 1...Sh8
      • 2.Qd3#
    • 1...e2
      • 2.Qf3#
  • Tries
    • 1.Se2?
      • threat
        • 2.Qd3#
      • 1...Sxe5
        • 2.Rf4#
      • 1...Bc3
        • 2.Sxc3#
      • 1...Qd5!
    • 1.Sf3?
      • threat
        • 2.Rf4#
        • 2.Qd3#
      • 1...Qd5
        • 2.Rf4#
      • 1...Bc3
        • 2.Rf4#
      • 1...Sd5
        • 2.Qd3#
      • 1...e2
        • 2.Sxd2#
        • 2.Qd3#
      • 1...Sxe5!
    • 1.Sc6?
      • threat
        • 2.Rf4#
        • 2.Qd3#
      • 1...Qxc6
        • 2.Qd3#
      • 1...Bc3
        • 2.Rf4#
      • 1...Sd5
        • 2.Qd3#
      • 1...e2
        • 2.Qd3#
        • 2.Qf3#
      • 1...Sxe5!
    • 1.Qxb5?
      • threat
        • 2.Rf4#
      • 1...Sxe5
        • 2.Qxe5#
      • 1...Qd5
        • 2.Qd3#
      • 1...Sd5
        • 2.Qd3#
      • 1...e2!
  • Keys
    • 1.Rxe7!
      • threat
        • 2.Rf4#
      • 1...Sxe5
        • 2.Qd3#
      • 1...Sd5
        • 2.Qd3#
      • 1...e2
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • Q(l);SBLOCK::QAB1(C)
    • S(i);SBLOCK::QAB1(C)
    • S(k);::QAB1(C)
    • S(k);XP(H)::QAB1(C)
    • P(b);OGATE::QAB1(C)
  • Tries
    • Try
      • S(D);
      • Threat
        • QAB1(C)
      • Vars
        • S(k);SBLOCK,XB(F)::R1(G)
        • B(a);N_GUARD::S(D),XB(a)
      • Refutation
        • Q(l);
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • Q(l);::R1(G)
        • B(a);::R1(G)
        • S(i);::QAB1(C)
      • Refutation
        • S(k);XB(F)
    • Try
      • S(D);
      • Threat
        • DUALS(2)
      • Vars
        • Q(l);XS(D)::QAB1(C)
        • B(a);::R1(G)
        • S(i);::QAB1(C)
      • Refutation
        • S(k);XB(F)
    • Try
      • Q(C);XP(f)
      • Threat
        • R1(G)
      • Vars
        • S(k);OGATE,XB(F)::QAR1(C),XS(k)
        • Q(l);SBLOCK::QAB1(C)
        • S(i);SBLOCK::QAB1(C)
      • Refutation
        • P(b);
  • Actual
    • R(I);XP(j)
    • Threat
      • R1(G)
    • Vars
      • S(k);P_SPINS(k),XB(F)::QAB1(C)
      • S(i);SBLOCK::QAB1(C)
      • P(b);OGATE::QAB1(C)
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