MESON Chess Problem Database

Problem Display
PID: 26016 (8/2KnQpp1/N2N4/3p2Rq/2Bk4/4p3/5n2/4Bb2 w - - 0 1)

Vinagre, Jose C

The Problemist, 2001

8/2KnQpp1/N2N4/3p2Rq/2Bk4/4p3/5n2/4Bb2

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qd1
      • 2.Rxd5#
    • 1...Qe2
      • 2.Rxd5#
    • 1...Qg4
      • 2.Rxd5#
    • 1...Qg6
      • 2.Rxd5#
    • 1...Qh2
      • 2.Rxd5#
    • 1...Qh3
      • 2.Rxd5#
    • 1...Qh4
      • 2.Rxd5#
    • 1...Qh6
      • 2.Rxd5#
    • 1...Qh7
      • 2.Rxd5#
    • 1...Qh8
      • 2.Rxd5#
    • 1...Sc5
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Sb6
      • 2.Qe5#
    • 1...Sf6
      • 2.Qe5#
    • 1...Sb8
      • 2.Qe5#
    • 1...Sf8
      • 2.Qe5#
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sb3#
      • 1...Kxc5
        • 2.Qxe3#
      • 1...Bxc4
        • 2.Sf5#
      • 1...Sxc5
        • 2.Qe5#
      • 1...dxc4
        • 2.Sb5#
      • 1...Qd1
        • 2.Rxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 14
  • Sets
    • Q(f);N_GUARD::R1(C),XP(e)
    • Q(f);N_GUARD,P_PINS(E)::R1(C),XP(e)
    • S(g);N_GUARD::QAB1(G)
    • S(g);N_GUARD::QAB1(G),XS(g)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • K(d);P_SPINP(e),S_FLIGHT,XS(D)::QAB(G),XP(c)
      • B(a);SBLOCK,XB(B)::S(E)
      • S(g);N_GUARD,SBLOCK,XS(D)::QAB1(G)
      • P(e);SBLOCK,XB(B)::S(E)
      • Q(f);N_GUARD::R1(C),XP(e)
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