MESON Chess Problem Database

Problem Display
PID: 105452 (1R6/3p4/2N4Q/2kq1R2/1N6/P1n1n3/BB2bP2/6K1 w - - 0 1)

Busik, Vladimir

Labai, Zoltan

Hlas l'udu, 1992

1R6/3p4/2N4Q/2kq1R2/1N6/P1n1n3/BB2bP2/6K1

#2

10 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Sd3#
      • 2.Sa6#
    • 1...Bd3
      • 2.Sxd3#
    • 1...Bf3
      • 2.Sd3#
      • 2.Sa6#
    • 1...Bg4
      • 2.Sd3#
      • 2.Sa6#
    • 1...Bh5
      • 2.Sd3#
      • 2.Sa6#
    • 1...Ba6
      • 2.Sxa6#
    • 1...Sb1
      • 2.Bd4#
    • 1...Scd1
      • 2.Bd4#
    • 1...Sa4
      • 2.Bd4#
    • 1...Se4
      • 2.Bd4#
    • 1...Sb5
      • 2.Sa6#
    • 1...Sc4
      • 2.Sa6#
    • 1...d6
      • 2.Qxe3#
  • Tries
    • 1.Sa5?
      • threat
        • 2.Qb6#
      • 1...Kd4
        • 2.Qxe3#
      • 1...Sc4
        • 2.Sb3#
      • 1...d6
        • 2.Qxe3#
      • 1...Sa4!
    • 1.Sa7?
      • threat
        • 2.Qb6#
      • 1...Kd4
        • 2.Qxe3#
      • 1...Sxa2
        • 2.Rc8#
      • 1...Sa4
        • 2.Rc8#
      • 1...d6
        • 2.Qxe3#
      • 1...Sc4!
    • 1.Bxc3?
      • threat
        • 2.Bd4#
      • 1...dxc6
        • 2.Qf8#
        • 2.Qxc6#
      • 1...Sc2
        • 2.Rxd5#
      • 1...Sxf5!
    • 1.Rxd5+?
      • 1...Scxd5
        • 2.Bd4#
      • 1...Sexd5!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Qb6#
      • 1...Kxd4
        • 2.Qxe3#
      • 1...Sxa2
        • 2.Rc8#
      • 1...Sa4
        • 2.Rc8#
      • 1...Sc4
        • 2.Sb3#
      • 1...d6
        • 2.Se6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • B(a);N_GUARD::S(F),XB(a)
    • S(b);OGATE::B(C)
    • S(b);S_CUTB(a)::S(F)
    • S(c);S_CUTB(a)::S(F)
    • P(f);SBLOCK::QAB(I),XS(c)
  • Tries
    • Try
      • S(H);
      • Threat
        • QAB1(I)
      • Vars
        • K(d);N_SPINQ(e),P_SPINS(b),S_FLIGHT::QAB1(I),XS(c)
        • S(c);SBLOCK::S(H)
        • P(f);SBLOCK::QAB(I),XS(c)
      • Refutation
        • S(b);
    • Try
      • S(H);
      • Threat
        • QAB1(I)
      • Vars
        • K(d);N_SPINQ(e),P_SPINS(b),S_FLIGHT::QAB1(I),XS(c)
        • S(b);XB(B)::R(J)
        • S(b);::R(J)
        • P(f);SBLOCK::QAB(I),XS(c)
      • Refutation
        • S(c);
    • Try
      • B(C);XS(b)
      • Threat
        • B(C)
      • Vars
        • S(c);N_GUARD::R1(G),XQ(e)
      • Refutation
        • S(c);N_SPINQ(e),XR(G)
    • Try
      • R(G);CHECK,XQ(e)
      • Vars
        • S(b);OGATE,XR(G)::B(C)
      • Refutation
        • S(c);XR(G)
  • Actual
    • S(H);
    • Threat
      • QAB1(I)
    • Vars
      • K(d);N_SPINQ(e),OGATEB,P_SPINS(b),S_FLIGHT,XS(H)::QAB1(I),XS(c)
      • S(b);XB(B)::R(J)
      • S(b);::R(J)
      • S(c);SBLOCK::S(H)
      • P(f);N_GUARD,SBLOCK::S(H)
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