MESON Chess Problem Database

Problem Display
PID: 265129 (8/3n1p2/1pppb3/1pbk1rNR/3r2NR/2P1pp1K/P3P1B1/3Q4 w - - 0 1)

Cacciari, Europe

SEPA, 1946

8/3n1p2/1pppb3/1pbk1rNR/3r2NR/2P1pp1K/P3P1B1/3Q4

#2

10 + 13

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qb3#
    • 1...Rd2
      • 2.Qb3#
    • 1...Rd3
      • 2.Qb3#
    • 1...Ba3
      • 2.Qxd4#
    • 1...Bb4
      • 2.Qxd4#
    • 1...Se5
      • 2.Sxe3#
  • Tries
    • 1.Bxf3+?
      • 1...Kc4
        • 2.Qb3#
      • 1...Rxf3+!
    • 1.c4+?
      • 1...Kxc4
        • 2.Qb3#
      • 1...bxc4!
  • Keys
    • 1.Sxf3!
      • threat
        • 2.Sxe3#
      • 1...Kc4
        • 2.Qb3#
      • 1...Ke4
        • 2.Sf6#
      • 1...Rxd1
        • 2.Sd2#
      • 1...Rxh5
        • 2.Se5#
      • 1...Ba3
        • 2.Qxd4#
      • 1...Bb4
        • 2.Qxd4#
      • 1...Rd2
        • 2.Sxd2#
      • 1...Rd3
        • 2.Sd2#
      • 1...Re5
        • 2.Sxe5#
      • 1...Rg5
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • K(f);N_SPINP(b),N_SPINR(c),S_CUTR(c),S_FLIGHT::QAB1(A)
    • R(c);N_GUARD::QAB(A)
    • B(e);N_GUARD::QAR1(A),XR(c)
    • S(l);SBLOCK::S(G),XP(a)
  • Tries
    • Try
      • B(D);CHECK,XP(b)
      • Vars
        • K(f);N_SPINR(c),S_FLIGHT::QAB1(A)
      • Refutation
        • R(g);CHECK,P_PINS(G),XB(D)
    • Try
      • P(E);CHECK
      • Vars
        • K(f);N_SPINP(b),N_SPINR(c),S_CUTP(d),S_CUTR(c),S_FLIGHT,XP(E)::QAB1(A)
      • Refutation
        • P(d);XP(E)
  • Actual
    • S(I);XP(b)
    • Threat
      • S(G),XP(a)
    • Vars
      • K(f);N_GUARD,N_SPINR(c),S_CUTR(c),S_FLIGHT::QAB1(A)
      • K(f);N_GUARD,N_SPINR(c),S_FLIGHT::R(H)+S(G),DCHECK
      • R(c);N_GUARD,N_SPINR(c),P_SPINR(g),XQ(A)::B(D)+S(I)
      • R(g);N_GUARD,P_PINR(H),P_PINS(G),XR(J)::B(D)+S(I)
      • B(e);N_GUARD::QAR1(A),XR(c)
      • R(c);N_GUARD::B(D)+S(I),XR(c)
      • R(c);N_GUARD::B(D)+S(I)
      • R(g);N_GUARD,P_PINS(G)::B(D)+S(I),XR(g)
      • R(g);N_GUARD,P_PINS(G)::B(D)+S(I)
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Developed and maintained by Brian Stephenson.
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