MESON Chess Problem Database

Problem Display
PID: 276084 (8/3K1p1B/8/pR1ppr2/2Pk1p2/2pN1Qp1/8/Bb6 w - - 0 1)

Viksna, Kristaps

Springaren, 1993

8/3K1p1B/8/pR1ppr2/2Pk1p2/2pN1Qp1/8/Bb6

#2

7 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc4
      • 2.Qxd5#
    • 1...dxc4
      • 2.Rd5#
  • Tries
    • 1.Sf2?
      • threat
        • 2.Qxc3#
      • 1...Kxc4
        • 2.Qxd5#
      • 1...Bd3
        • 2.Qxd3#
      • 1...gxf2!
    • 1.Sc5?
      • threat
        • 2.Qxc3#
      • 1...dxc4
        • 2.Bxc3#
      • 1...Bd3
        • 2.Qxd3#
      • 1...Kxc4!
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Bxc3#
        • 2.Rxd5#
      • 1...Kxe5
        • 2.Bxc3#
      • 1...Rxe5
        • 2.Qxc3#
      • 1...dxc4
        • 2.Sc6#
        • 2.Bxc3#
        • 2.Rd5#
      • 1...Bd3
        • 2.Rxd5#
      • 1...Be4
        • 2.Bxc3#
        • 2.Qxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • K(d);N_GUARD,N_SPINP(b),P-FLIGHT,XP(D)::QAB1(C),XP(g)
    • P(g);SBLOCK,XP(D)::R1(E)
  • Tries
    • Try
      • S(B);
      • Threat
        • QAB1(C),XP(b)
      • Vars
        • K(d);N_GUARD,N_SPINP(b),P-FLIGHT,XP(D)::QAB1(C),XP(g)
        • B(a);N_GUARD::QAR1(C),XB(a)
      • Refutation
        • P(c);XS(B)
    • Try
      • S(B);
      • Threat
        • QAB1(C),XP(b)
      • Vars
        • P(g);SBLOCK,XP(D)::B(A),XP(b)
        • B(a);N_GUARD::QAR1(C),XB(a)
      • Refutation
        • K(d);N_SPINP(b),P-FLIGHT,XP(D)
  • Actual
    • S(B);XP(h)
    • Threat
      • DUALS(2)
    • Vars
      • K(d);S_FLIGHT,XS(B)::B(A),XP(b)
      • R(i);SBLOCK,XS(B)::QAB1(C),XP(b)
      • B(a);::R1(E),XP(g)
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