MESON Chess Problem Database

Problem Display
PID: 239121 (B6B/2pNpN2/p4r2/K1p4b/1pPkp1qR/1Pnn2Q1/1P1b1P2/3R4 w - - 0 1)

Cuppini, Alessandro

Sachove umeni (Ceskoslovensky sach), 1994

B6B/2pNpN2/p4r2/K1p4b/1pPkp1qR/1Pnn2Q1/1P1b1P2/3R4

#2

12 + 13

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Qe5#
    • 1...Be1
      • 2.Qe5#
      • 2.Qe3#
    • 1...Be3
      • 2.Qe5#
      • 2.Qxe3#
      • 2.fxe3#
    • 1...Bg5
      • 2.Qe5#
    • 1...Bh6
      • 2.Qe5#
    • 1...Sc1
      • 2.Qe3#
    • 1...Se1
      • 2.Qe3#
    • 1...Sxb2
      • 2.Qe3#
    • 1...Sf4
      • 2.Qe3#
    • 1...Se5
      • 2.Qe3#
  • Tries
    • 1.Sfe5?
      • threat
        • 2.Sc6#
      • 1...Sxe5
        • 2.Qe3#
      • 1...Qe6
        • 2.Qxd3#
      • 1...Qg7
        • 2.Qxd3#
      • 1...Rc6
        • 2.Sf3#
        • 2.Sxc6#
      • 1...e3
        • 2.Sf3#
      • 1...c6
        • 2.Sxc6#
      • 1...Qxd7!
  • Keys
    • 1.Sde5!
      • threat
        • 2.Sc6#
      • 1...Sxe5
        • 2.Qe3#
      • 1...Qe6
        • 2.Qxd3#
      • 1...Qd7
        • 2.Qxd3#
      • 1...Qg7
        • 2.Qxd3#
      • 1...Rc6
        • 2.Sf3#
        • 2.Sxc6#
      • 1...e3
        • 2.Sf3#
      • 1...c6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 7
  • Sets
    • B(a);P_SPINS(c)::QAB1(E)
    • S(c);P_SPINB(a)::QAB1(E)
    • S(c);P_SPINB(a),XP(B)::QAB1(E)
    • S(c);N_SPINR(k),P_SPINB(a)::QAB1(E)
  • Tries
    • Try
      • S(J);N_PINR(k)
      • Threat
        • S(J)
      • Vars
        • S(c);P_SPINB(a),XS(J)::QAB1(E)
        • Q(g);P_SPINP(f)::QAR1(E),XS(c)
        • P(f);N_GUARD,P_SPINQ(g)::S(J)
        • P(l);::S(J),XP(l)
      • Refutation
        • Q(g);P_SPINP(f),XS(I)
  • Actual
    • S(I);N_PINR(k)
    • Threat
      • S(I)
    • Vars
      • S(c);P_SPINB(a),XS(I)::QAB1(E)
      • Q(g);P_SPINP(f)::QAR1(E),XS(c)
      • P(f);N_GUARD,P_SPINQ(g)::S(I)
      • P(l);::S(I),XP(l)
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