MESON Chess Problem Database

Problem Display
PID: 51872 (5R2/6b1/p3Kn2/4p3/1p1Nk1p1/3pp3/8/Q3N3 w - - 0 1)

Surkov, Ruslan Albertovich

2nd Comm., Shakhmatnaya Poeziya, 2002

5R2/6b1/p3Kn2/4p3/1p1Nk1p1/3pp3/8/Q3N3

#2

5 + 9

56 The Problemist 2004

SOLUTION

  • SOUND
  • Tries
    • 1.Se2?
      • threat
        • 2.Qxe5#
      • 1...Sd5
        • 2.Sg3#
      • 1...Sd7
        • 2.Sg3#
      • 1...Sh7
        • 2.Sg3#
      • 1...Se8
        • 2.Sg3#
      • 1...Sg8
        • 2.Sg3#
      • 1...Sh5!
    • 1.Sb3?
      • threat
        • 2.Qxe5#
      • 1...Kf4
        • 2.Qxe5#
      • 1...Sh5
        • 2.Sc5#
      • 1...Sd5
        • 2.Sc5#
      • 1...Sh7
        • 2.Sc5#
      • 1...Se8
        • 2.Sc5#
      • 1...Sg8
        • 2.Sc5#
      • 1...Sd7!
    • 1.Sdf3?
      • threat
        • 2.Qxe5#
      • 1...Kf4
        • 2.Qxe5#
      • 1...Sh5
        • 2.Sg5#
      • 1...Sd5
        • 2.Sg5#
      • 1...Sd7
        • 2.Sg5#
      • 1...Se8
        • 2.Sg5#
      • 1...Sg8
        • 2.Sg5#
      • 1...Sh7!
    • 1.Sb5?
      • threat
        • 2.Qxe5#
      • 1...Kf4
        • 2.Qxe5#
      • 1...Sh5
        • 2.Sd6#
      • 1...Sd5
        • 2.Sd6#
      • 1...Sd7
        • 2.Sd6#
      • 1...Sh7
        • 2.Sd6#
      • 1...Sg8
        • 2.Sd6#
      • 1...Se8!
    • 1.Sf5?
      • threat
        • 2.Qxe5#
      • 1...Sh5
        • 2.Sd6#
      • 1...Sd5
        • 2.Sg3#
        • 2.Sd6#
      • 1...Sd7
        • 2.Sg3#
        • 2.Sd6#
      • 1...Sh7
        • 2.Sg3#
        • 2.Sd6#
      • 1...Se8
        • 2.Sg3#
      • 1...Sg8
        • 2.Sg3#
        • 2.Sd6#
      • 1...Kf4!
  • Keys
    • 1.Qa5!
      • threat
        • 2.Qxe5#
      • 1...Kxd4
        • 2.Qxb4#
      • 1...Kf4
        • 2.Qxe5#
      • 1...exd4
        • 2.Qe5#
        • 2.Qf5#
      • 1...Sh5
        • 2.Qd5#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sd7
        • 2.Qd5#
      • 1...Sh7
        • 2.Qd5#
      • 1...Se8
        • 2.Qd5#
      • 1...Sg8
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAR1(A),XP(f)
      • Vars
        • S(h);::S(C)
      • Refutation
        • S(h);
    • Try
      • S(C);
      • Threat
        • QAR1(A),XP(f)
      • Vars
        • K(d);P-FLIGHT,P_SPINS(h)::QAB1(A),XP(f)
        • S(h);::S(C)
      • Refutation
        • S(h);
    • Try
      • S(C);
      • Threat
        • QAR1(A),XP(f)
      • Vars
        • K(d);P-FLIGHT,P_SPINS(h)::QAB1(A),XP(f)
        • S(h);::S(C)
      • Refutation
        • S(h);
    • Try
      • S(C);
      • Threat
        • QAR1(A),XP(f)
      • Vars
        • K(d);P-FLIGHT,P_SPINS(h)::QAB1(A),XP(f)
        • S(h);::S(C)
      • Refutation
        • S(h);
    • Try
      • S(C);
      • Threat
        • QAR1(A),XP(f)
      • Vars
        • S(h);::S(C)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XP(f)
    • Vars
      • K(d);OGATEB,P-FLIGHT,XS(C)::QAR2(A),XP(c)
      • K(d);P-FLIGHT,P_SPINS(h)::QAB1(A),XP(f)
      • S(h);N_GUARD::QAB1(A)
      • S(h);N_GUARD::QAB1(A),XS(h)
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