MESON Chess Problem Database

Problem Display
PID: 47531 (1n1r4/2p1N2B/qr3p1K/p1Pp1Q2/N2k1B2/1P1p2pR/3pb2b/4Rn2 w - - 0 1)

Pankratiev, Aleksandr Nikolaevich

Die Schwalbe, 2003

1n1r4/2p1N2B/qr3p1K/p1Pp1Q2/N2k1B2/1P1p2pR/3pb2b/4Rn2

#2

10 + 15

SOLUTION

  • SOUND
  • Sets
    • 1...Rc8
      • 2.Qxd5#
    • 1...Re8
      • 2.Qxd5#
    • 1...Rf8
      • 2.Qxd5#
    • 1...Rg8
      • 2.Qxd5#
    • 1...Rh8
      • 2.Qxd5#
    • 1...Sd7
      • 2.Qxd5#
    • 1...c6
      • 2.Qxf6#
  • Tries
    • 1.Be3+?
      • 1...Sxe3
        • 2.Qf4#
      • 1...Kxe3!
    • 1.Be5+?
      • 1...Ke3
        • 2.Qf4#
      • 1...fxe5+!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Qf4#
      • 1...Ke3
        • 2.Qf4#
      • 1...Bf3
        • 2.Qxf6#
      • 1...g2
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • R(o);N_GUARD::QAR1(G),XP(i)
    • R(o);N_GUARD,P_PINB(J)::QAR1(G),XP(i)
    • S(n);S_CUTR(o)::QAR1(G),XP(i)
    • P(m);S_CUTR(k)::QAB(G),XP(l)
  • Tries
    • Try
      • B(E);CHECK
      • Vars
        • S(a);XB(E)::QAR2(G)
      • Refutation
        • K(g);P_SPINB(c),P_SPINP(f),S_FLIGHT,XB(E)
    • Try
      • B(E);CHECK
      • Vars
        • K(g);P_SPINB(c),P_SPINP(f),S_FLIGHT::QAB1(G)
      • Refutation
        • P(l);CHECK,XB(E)
  • Actual
    • B(E);
    • Threat
      • QAR2(G)
    • Vars
      • K(g);P_SPINB(c),P_SPINP(f),S_FLIGHT::QAB1(G)
      • B(c);::QAB(G),XP(l)
      • P(f);::QAR1(G),XP(i)
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Developed and maintained by Brian Stephenson.
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