MESON Chess Problem Database

Problem Display
PID: 99414 (KRB5/2p1b2Q/N1pk1pp1/p1pp3n/4P1N1/nP2P3/3B4/3R4 w - - 0 1)

Subota, Nikolai

Magyar Sakkelet, 1985

KRB5/2p1b2Q/N1pk1pp1/p1pp3n/4P1N1/nP2P3/3B4/3R4

#2

11 + 11

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd8
      • 2.Qd7#
    • 1...Bf8
      • 2.Qxc7#
      • 2.Qd7#
    • 1...Sg7
      • 2.Qh2#
    • 1...dxe4
      • 2.Bc1#
      • 2.Be1#
      • 2.Bc3#
      • 2.Bb4#
      • 2.Bxa5#
    • 1...f5
      • 2.e5#
  • Tries
    • 1.Sh6?
      • threat
        • 2.Sf7#
      • 1...Ke5
        • 2.Qxe7#
      • 1...dxe4
        • 2.Bc3#
      • 1...Bf8
        • 2.Qxc7#
      • 1...Bd8!
    • 1.Sxc7?
      • threat
        • 2.Se8#
      • 1...Kxc7
        • 2.Qxe7#
      • 1...dxe4
        • 2.Bxa5#
      • 1...Sg7
        • 2.Qh2#
      • 1...c4!
    • 1.Bxa5?
      • threat
        • 2.Bxc7#
      • 1...Bd8
        • 2.Qd7#
      • 1...Sb5!
  • Keys
    • 1.Sxc5!
      • threat
        • 2.Sb7#
      • 1...Kxc5
        • 2.Qxe7#
      • 1...dxe4
        • 2.Bb4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • B(k);OGATE::QAR1(H)
    • S(e);OGATE::QAB(H)
    • P(h);N_GUARD::P(E)
  • Tries
    • Try
      • S(F);
      • Threat
        • S(F)
      • Vars
        • K(g);S_FLIGHT::QAR2(H),XB(k)
        • P(d);OGATEB,XP(E)::R(A)+B(B)
        • B(k);OGATE::QAB1(H),XP(j)
      • Refutation
        • B(k);
    • Try
      • S(G);XP(j)
      • Threat
        • S(G)
      • Vars
        • K(g);P_SPINB(k),S_FLIGHT,XS(G)::QAR2(H),XB(k)
        • P(d);OGATEB,XP(E)::R(A)+B(B),XP(b)
        • S(e);OGATE::QAB(H)
      • Refutation
        • P(c);
    • Try
      • B(B);P_PINP(d),XP(b)
      • Threat
        • B(B),XP(j)
      • Vars
        • B(k);OGATE::QAR1(H)
      • Refutation
        • S(a);
  • Actual
    • S(G);XP(c)
    • Threat
      • S(G)
    • Vars
      • K(g);S_FLIGHT,XS(G)::QAB(H),XB(k)
      • P(d);OGATEB,XP(E)::R(A)+B(B)
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Developed and maintained by Brian Stephenson.
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