MESON Chess Problem Database

Problem Display
PID: 268164 (b7/4N3/r4ppB/2Q1p3/4k3/4N3/1n2K3/4b3 w - - 0 1)

Shinkarenko, Gennady Viktorovich

1st Prize, Panorama, 1998

b7/4N3/r4ppB/2Q1p3/4k3/4N3/1n2K3/4b3

#2

5 + 8

6490 yacpdb 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Rc6
      • 2.Qd5#
    • 1...Bd5
      • 2.Qxd5#
    • 1...Sd1
      • 2.Qc4#
    • 1...Sd3
      • 2.Qc4#
    • 1...Sa4
      • 2.Qc4#
    • 1...Sc4
      • 2.Qxc4#
  • Tries
    • 1.Sd1?
      • threat
        • 2.Qe3#
      • 1...Sxd1
        • 2.Qc4#
      • 1...Bd2
        • 2.Sf2#
      • 1...Bf2
        • 2.Sxf2#
        • 2.Sc3#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Ra3!
    • 1.Sf1?
      • threat
        • 2.Qe3#
      • 1...Bd2
        • 2.Sxd2#
        • 2.Sg3#
      • 1...Bf2
        • 2.Sd2#
      • 1...Sd1
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Ra3!
    • 1.Sc4?
      • threat
        • 2.Qe3#
      • 1...Sxc4
        • 2.Qxc4#
      • 1...Ra3
        • 2.Sd6#
      • 1...Bd2
        • 2.Sxd2#
      • 1...Bf2
        • 2.Sd2#
      • 1...Sd1!
    • 1.S3d5?
      • threat
        • 2.Qe3#
      • 1...Ra3
        • 2.Sxf6#
      • 1...Bf2
        • 2.Sc3#
      • 1...Sd1
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Bd2!
    • 1.S3f5?
      • threat
        • 2.Qe3#
      • 1...Ra3
        • 2.Sd6#
      • 1...Bd2
        • 2.Sg3#
      • 1...Sd1
        • 2.Qc2#
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#
      • 1...Bf2!
    • 1.Qb4+?
      • 1...Sc4
        • 2.Qxc4#
      • 1...Bxb4!
    • 1.Qc2+?
      • 1...Sd3
        • 2.Qxd3#
        • 2.Qc4#
      • 1...Kd4!
  • Keys
    • 1.Sg4!
      • threat
        • 2.Qe3#
      • 1...Ra3
        • 2.Sxf6#
      • 1...Bd2
        • 2.Sf2#
      • 1...Bf2
        • 2.Sxf2#
      • 1...Sd1
        • 2.Qc4#
      • 1...Sc4
        • 2.Qxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(e);S_CUTB(h)::QAB1(C)
    • B(h);N_GUARD::QAB1(C),XB(h)
    • S(b);N_GUARD::QAR2(C)
    • S(b);N_GUARD::QAR2(C),XS(b)
  • Tries
    • Try
      • S(B);
      • Threat
        • QAR1(C)
      • Vars
        • S(b);N_GUARD,XS(B)::QAR2(C)
        • B(a);N_GUARD::S(B)
        • S(b);N_GUARD::QAR2(C),XS(b)
      • Refutation
        • R(e);
    • Try
      • S(B);
      • Threat
        • QAR1(C)
      • Vars
        • B(a);N_GUARD::S(B)
        • S(b);N_GUARD::QAR2(C)
        • S(b);N_GUARD::QAR2(C),XS(b)
      • Refutation
        • R(e);
    • Try
      • S(B);
      • Threat
        • QAR1(C)
      • Vars
        • S(b);OGATE,XS(B)::QAR2(C),XS(b)
        • R(e);N_GUARD::S(B)
        • B(a);N_GUARD::S(B),XB(a)
        • B(a);N_GUARD::S(B)
      • Refutation
        • S(b);
    • Try
      • S(B);
      • Threat
        • QAR1(C)
      • Vars
        • R(e);N_GUARD::S(B),XP(f)
        • B(a);N_GUARD::S(B)
        • S(b);N_GUARD::QAR2(C)
        • S(b);N_GUARD::QAR2(C),XS(b)
      • Refutation
        • B(a);
    • Try
      • S(B);
      • Threat
        • QAR1(C)
      • Vars
        • R(e);N_GUARD::S(B)
        • B(a);N_GUARD::S(B)
        • S(b);N_GUARD::QAR2(C),XS(b)
      • Refutation
        • B(a);
    • Try
      • Q(C);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::QAR2(C),XS(b)
      • Refutation
        • B(a);XQ(C)
    • Try
      • Q(C);CHECK
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • S(B);
    • Threat
      • QAR1(C)
    • Vars
      • R(e);N_GUARD::S(B),XP(f)
      • B(a);N_GUARD::S(B)
      • B(a);N_GUARD::S(B),XB(a)
      • S(b);N_GUARD::QAR2(C)
      • S(b);N_GUARD::QAR2(C),XS(b)
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