MESON Chess Problem Database

Problem Display
PID: 244591 (1KN5/1P6/1p1pP3/1rpkpP2/Bp2p3/1Nn5/8/6RQ w - - 0 1)

Fasano, Alessandro

Sinfonie Scacchistiche, 1980

1KN5/1P6/1p1pP3/1rpkpP2/Bp2p3/1Nn5/8/6RQ

#2

9 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Se7#
    • 1...Ra5
      • 2.Sxb6#
    • 1...c4
      • 2.Se7#
  • Tries
    • 1.Bxb5?
      • threat
        • 2.Sxb6#
        • 2.Se7#
      • 1...Sa4
        • 2.Se7#
        • 2.Rd1#
      • 1...Sxb5!
    • 1.Rd1+?
      • 1...Kc4
        • 2.Sxd6#
      • 1...Kc6
        • 2.Sa7#
        • 2.Se7#
        • 2.Rxd6#
      • 1...Sxd1!
    • 1.Rg4?
      • 1...Kc6
        • 2.Se7#
      • 1...Sxa4
        • 2.Qxe4#
      • 1...Ra5
        • 2.Sxb6#
      • 1...Sb1
        • 2.Qxe4#
      • 1...Sd1
        • 2.Qxe4#
      • 1...Sa2
        • 2.Qxe4#
      • 1...Se2
        • 2.Qxe4#
      • 1...c4
        • 2.Se7#
      • 1...Kc4!
  • Keys
    • 1.Rc1!
      • 1...Kc4
        • 2.Qxe4#
      • 1...Kc6
        • 2.Se7#
      • 1...Sxa4
        • 2.Se7#
      • 1...Ra5
        • 2.Sxb6#
      • 1...Sb1
        • 2.Se7#
      • 1...Sd1
        • 2.Se7#
      • 1...Sa2
        • 2.Se7#
      • 1...Se2
        • 2.Se7#
      • 1...c4
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(f);P_SPINR(d),S_FLIGHT::S(I)
    • R(d);N_GUARD::S(I),XP(h)
    • P(e);SBLOCK::S(I)
  • Tries
    • Try
      • B(D);XR(d)
      • Threat
        • DUALS(2)
      • Refutation
        • S(a);XB(D)
    • Try
      • R(A);CHECK
      • Vars
        • K(f);N_SPINP(c),S_FLIGHT::S(I),XP(i)
      • Refutation
        • S(a);XR(A)
    • Try
      • R(A);
      • Vars
        • K(f);P_SPINR(d),S_FLIGHT::S(I)
        • S(a);N_GUARD,XB(D)::QAB1(B),XP(c)
        • R(d);N_GUARD::S(I),XP(h)
        • S(a);N_GUARD::QAB1(B),XP(c)
        • P(e);SBLOCK::S(I)
      • Refutation
        • K(f);S_FLIGHT
  • Actual
    • R(A);
    • Vars
      • K(f);N_SPINP(c),P_SPINS(a),S_FLIGHT::QAR2(B),XP(c)
      • K(f);P_SPINR(d),S_FLIGHT::S(I)
      • S(a);XB(D)::S(I)
      • R(d);N_GUARD::S(I),XP(h)
      • S(a);::S(I)
      • P(e);SBLOCK::S(I)
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