MESON Chess Problem Database

Problem Display
PID: 169264 (1K6/B7/2Q3p1/1R1N4/2p2P2/2Pk1p2/2rrbn2/N2q2b1 w - - 0 1)

Gorbatenko, Yuri Grigorevich

3rd Comm., SuperProblem 191. TT, 2017

1K6/B7/2Q3p1/1R1N4/2p2P2/2Pk1p2/2rrbn2/N2q2b1

#2

8 + 10

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Qxg6#
    • 1...Rxc3
      • 2.Sb4#
    • 1...Sh1
      • 2.Qxg6#
    • 1...Sh3
      • 2.Qxg6#
    • 1...Sg4
      • 2.Qxg6#
  • Tries
    • 1.Bxf2?
      • threat
        • 2.Qxg6#
      • 1...Ke4
        • 2.Qxg6#
      • 1...g5
        • 2.Qg6#
      • 1...Bf1!
    • 1.Qe8?
      • threat
        • 2.Qe3#
      • 1...Sh1
        • 2.Qxg6#
      • 1...Sh3
        • 2.Qxg6#
      • 1...Sg4
        • 2.Qxg6#
      • 1...Se4!
    • 1.Qb6?
      • threat
        • 2.Qe3#
        • 2.Qd4#
      • 1...Ke4
        • 2.Qxg6#
      • 1...Bf1
        • 2.Qe3#
      • 1...Sh1
        • 2.Qxg6#
      • 1...Sh3
        • 2.Qxg6#
      • 1...Sg4
        • 2.Qxg6#
      • 1...Se4!
    • 1.Qe6?
      • threat
        • 2.Qe3#
      • 1...Sh1
        • 2.Qxg6#
      • 1...Sh3
        • 2.Qxg6#
      • 1...Sg4
        • 2.Qxg6#
      • 1...Se4!
    • 1.Qf6?
      • threat
        • 2.Qd4#
      • 1...Ke4
        • 2.Qxg6#
      • 1...Se4
        • 2.Sb4#
      • 1...Sh1
        • 2.Qxg6#
      • 1...Sh3
        • 2.Qxg6#
      • 1...Sg4
        • 2.Qxg6#
      • 1...Bf1!
  • Keys
    • 1.Se3!
      • threat
        • 2.Qxc4#
      • 1...Kxc3
        • 2.Rb3#
      • 1...Rxc3
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • K(g);S_FLIGHT::QAB(F),XP(j)
    • R(c);SBLOCK,XP(B)::S(E)
    • S(f);N_GUARD::QAB(F),XP(j)
  • Tries
    • Try
      • B(G);XS(f)
      • Threat
        • QAB(F),XP(j)
      • Vars
        • K(g);S_FLIGHT::QAB(F),XP(j)
        • P(j);::QAB(F)
      • Refutation
        • B(e);
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • S(f);N_GUARD::QAB(F),XP(j)
      • Refutation
        • S(f);
    • Try
      • Q(F);
      • Threat
        • DUALS(2)
      • Vars
        • K(g);S_FLIGHT::QAB(F),XP(j)
        • B(e);::QAR1(F)
        • S(f);N_GUARD::QAB(F),XP(j)
      • Refutation
        • S(f);
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • S(f);N_GUARD::QAB(F),XP(j)
      • Refutation
        • S(f);
    • Try
      • Q(F);
      • Threat
        • QAR1(F)
      • Vars
        • K(g);S_FLIGHT::QAB(F),XP(j)
        • S(f);SBLOCK::S(E)
        • S(f);N_GUARD::QAB(F),XP(j)
      • Refutation
        • B(e);
  • Actual
    • S(E);
    • Threat
      • QAB1(F),XP(i)
    • Vars
      • K(g);OGATEB,P-FLIGHT,P_SPINP(i),XP(B)::R1(D)
      • R(c);SBLOCK,XP(B)::QAR2(F)
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