MESON Chess Problem Database

Problem Display
PID: 67196 (KN1Bn1b1/2p2P1r/2N1k1P1/1p1pP2R/3Qp1P1/b7/8/5r2 w - - 0 1)

Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)

3rd HM., Sredba na Solidarnosta, 1995-1997

KN1Bn1b1/2p2P1r/2N1k1P1/1p1pP2R/3Qp1P1/b7/8/5r2

#2

10 + 10

5417 FIDE Album (1995-1997) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.gxf5#
  • Tries
    • 1.Qf2?
      • threat
        • 2.Sd4#
      • 1...Rxh5
        • 2.fxg8Q#
        • 2.fxg8B#
      • 1...d4
        • 2.Qa2#
      • 1...Rd1
        • 2.Qf5#
      • 1...Bb2
        • 2.f8S#
      • 1...Bc5!
    • 1.Qc5?
      • threat
        • 2.Sd4#
      • 1...Rxh5
        • 2.fxe8Q#
        • 2.fxe8R#
      • 1...Rd1
        • 2.f8S#
      • 1...Rf5
        • 2.gxf5#
      • 1...Bb2
        • 2.Qe7#
      • 1...d4
        • 2.Sxd4#
      • 1...Bxc5!
    • 1.fxe8Q+?
      • 1...Be7
        • 2.Qd7#
      • 1...Re7!
  • Keys
    • 1.Qb4!
      • threat
        • 2.Sd4#
      • 1...Rxh5
        • 2.fxe8Q#
        • 2.fxe8R#
      • 1...d4
        • 2.Qb3#
      • 1...Rd1
        • 2.f8S#
      • 1...Rf5
        • 2.gxf5#
      • 1...Bb2
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(a);OGATE::P(B),XR(a)
  • Tries
    • Try
      • Q(A);
      • Threat
        • S(E)
      • Vars
        • R(h);N_GUARD,XR(D)::PXB(j)=Q
        • P(e);OGATEB::QAB(A)
        • R(a);N_GUARD::QAB1(A)
        • B(b);N_GUARD::P=S
      • Refutation
        • B(b);
    • Try
      • Q(A);
      • Threat
        • S(E)
      • Vars
        • R(h);N_GUARD,XR(D)::PXS(i)=Q
        • R(a);N_GUARD::P=S
        • R(a);OGATE::P(B),XR(a)
        • B(b);N_GUARD::QAR1(A)
        • P(e);::S(E),XP(e)
      • Refutation
        • B(b);XQ(A)
    • Try
      • P(G);CHECK,XS(i)
      • Vars
        • B(b);P_SPINB(b),S_CUTR(h)::QAB1(G)
      • Refutation
        • R(h);P_SPINR(h)
  • Actual
    • Q(A);
    • Threat
      • S(E)
    • Vars
      • R(h);N_GUARD,XR(D)::PXS(i)=Q
      • P(e);OGATEB::QAB(A)
      • R(a);N_GUARD::P=S
      • R(a);OGATE::P(B),XR(a)
      • B(b);N_GUARD::QAR1(A)
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