MESON Chess Problem Database

Problem Display
PID: 240067 (2R3K1/7N/B5N1/1p4Pp/b3P1kr/Qn4pn/2p3P1/b7 w - - 0 1)

Mosiashvili, Givi

Pat a Mat, 2011

2R3K1/7N/B5N1/1p4Pp/b3P1kr/Qn4pn/2p3P1/b7

#2

9 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Qf3#
    • 1...Sa5
      • 2.Qf3#
    • 1...Sc5
      • 2.Qf3#
    • 1...b4
      • 2.Be2#
  • Tries
    • 1.Rc5?
      • threat
        • 2.Bc8#
      • 1...Sxc5
        • 2.Qf3#
      • 1...Sxg5
        • 2.Rxg5#
      • 1...Sd4
        • 2.Sf6#
      • 1...b4
        • 2.Be2#
      • 1...Sf4!
    • 1.Qf8?
      • threat
        • 2.Qf3#
        • 2.Qf5#
      • 1...Sxg5
        • 2.Qf4#
        • 2.Qf5#
      • 1...Sd2
        • 2.Qf5#
      • 1...Sd4
        • 2.Se5#
      • 1...Sg1
        • 2.Qf4#
        • 2.Qf5#
      • 1...Sf4
        • 2.Qxf4#
        • 2.Qf5#
      • 1...Bf6!
  • Keys
    • 1.Rc3!
      • threat
        • 2.Bc8#
      • 1...Sxg5
        • 2.Sf6#
      • 1...Sd4
        • 2.Rxg3#
      • 1...Sc5
        • 2.Rxg3#
      • 1...Sf4
        • 2.Se5#
      • 1...b4
        • 2.Be2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(c);OGATE::QAB1(B)
    • P(i);OGATE::B(E)
  • Tries
    • Try
      • R(H);
      • Threat
        • B(E)
      • Vars
        • S(c);OGATE,XR(H)::QAB1(B)
        • S(e);OGATE,XP(D)::R1(H),XS(e)
        • S(c);S_CUTB(a)::S(G)
        • P(i);OGATE::B(E)
      • Refutation
        • S(e);
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • S(c);::QAB1(B)
        • S(c);S_CUTB(a)::S(F)
      • Refutation
        • B(a);
  • Actual
    • R(H);
    • Threat
      • B(E)
    • Vars
      • S(e);SBLOCK,XP(D)::S(G)
      • S(c);::R1(H),XP(d)
      • S(e);SBLOCK::S(F)
      • P(i);OGATE::B(E)
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