MESON Chess Problem Database

Problem Display
PID: 251172 (5K2/2pb4/2p1ppN1/1pPk4/3Nn3/2Rp1Q2/2B5/1r6 w - - 0 1)

Krizhanivsky, Vasil Viktorovich

3rd HM., Uralski Problemist, 2012

5K2/2pb4/2p1ppN1/1pPk4/3Nn3/2Rp1Q2/2B5/1r6

#2

7 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qxd3#
    • 1...d2
      • 2.Qxe4#
  • Tries
    • 1.Sxc6?
      • threat
        • 2.Sge7#
      • 1...Kxc6
        • 2.Qxe4#
      • 1...Bxc6
        • 2.Qxd3#
      • 1...e5!
    • 1.Bb3+?
      • 1...Kxd4
        • 2.Qxd3#
      • 1...Rxb3!
  • Keys
    • 1.Sxe6!
      • threat
        • 2.Qf5#
      • 1...Kxe6
        • 2.Qxe4#
      • 1...Bxe6
        • 2.Qxd3#
      • 1...Rf1
        • 2.Bb3#
      • 1...f5
        • 2.Qxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • K(e);N_SPINS(c),OGATEB,P-FLIGHT,XS(D)::QAR1(C),XP(b)
    • P(b);::QAB1(C),XS(c)
  • Tries
    • Try
      • S(D);XP(f)
      • Threat
        • S(F)
      • Vars
        • K(e);N_GUARD,S_FLIGHT,XS(D)::QAB(C),XS(c)
        • B(j);SBLOCK,XS(D)::QAR2(C),XP(b)
      • Refutation
        • P(g);
    • Try
      • B(A);CHECK
      • Vars
        • K(e);N_SPINS(c),P-FLIGHT,S_CUTR(a),XS(D)::QAR1(C),XP(b)
      • Refutation
        • R(a);XB(A)
  • Actual
    • S(D);XP(g)
    • Threat
      • QAR2(C)
    • Vars
      • K(e);N_GUARD,N_SPINS(c),S_FLIGHT,XS(D)::QAR2(C),XS(c)
      • B(j);SBLOCK,XS(D)::QAR2(C),XP(b)
      • R(a);N_GUARD::B(A)
      • P(h);::QAR2(C),XP(h)
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