MESON Chess Problem Database

Problem Display
PID: 200159 (8/1B2p1Bp/3p3N/3r1N1K/4kp1P/2n2R2/1nP1b3/4QR2 w - - 0 1)

Bosetti, Fabio

Phenix, 1994

8/1B2p1Bp/3p3N/3r1N1K/4kp1P/2n2R2/1nP1b3/4QR2

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sd3
      • 2.cxd3#
    • 1...Sb1
      • 2.Qxe2#
    • 1...Sa2
      • 2.Qxe2#
    • 1...Sa4
      • 2.Qxe2#
    • 1...Sb5
      • 2.Qxe2#
  • Tries
    • 1.Kg5?
      • threat
        • 2.Rxf4#
      • 1...Sd3
        • 2.cxd3#
      • 1...e5!
    • 1.Qxc3?
      • threat
        • 2.Qd4#
      • 1...Bxf3+
        • 2.Qxf3#
      • 1...e5
        • 2.Sxd6#
      • 1...Bxf1!
  • Keys
    • 1.Qf2!
      • threat
        • 2.Qd4#
      • 1...Bxf3+
        • 2.Qxf3#
      • 1...Bxf1
        • 2.Rxf4#
      • 1...Sb5
        • 2.Qxe2#
      • 1...e5
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • S(a);OGATE::P(C),XS(a)
    • S(c);N_GUARD::QAR2(A),XB(b)
  • Tries
    • Try
      • K(G);N_SPINR(D),P-FLIGHT
      • Threat
        • R1(D),XP(e)
      • Vars
        • S(a);OGATE::P(C),XS(a)
      • Refutation
        • P(h);N_PINS(F)
    • Try
      • Q(A);N_PINB(b),XS(c)
      • Threat
        • QAR1(A)
      • Vars
        • B(b);CHECK,OGATE,XR(D)::QAB1(A),XB(b)
        • P(h);N_PINS(F)::S(F),XP(g)
      • Refutation
        • B(b);N_PINR(D),XR(B)
  • Actual
    • Q(A);N_PINB(b)
    • Threat
      • QAR1(A)
    • Vars
      • B(b);CHECK,OGATE,XR(D)::QAB1(A),XB(b)
      • B(b);N_PINR(D),XR(B)::R1(D),XP(e)
      • S(c);N_GUARD::QAR2(A),XB(b)
      • P(h);N_PINS(F)::S(F),XP(g)
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