MESON Chess Problem Database

Problem Display
PID: 7121 (1K6/Bp6/5R2/2pNp3/2pkp3/3r4/B4P2/3R3Q w - - 0 1)

Righi, Mario

L'Italia Scacchistica, 1998

1K6/Bp6/5R2/2pNp3/2pkp3/3r4/B4P2/3R3Q

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5
      • 2.Rxd3#
    • 1...Rxd1
      • 2.Qxd1#
    • 1...Rd2
      • 2.Rxd2#
    • 1...e3
      • 2.fxe3#
  • Tries
    • 1.Kxb7?
      • 1...Kxd5
        • 2.Rxd3#
      • 1...Rxd1
        • 2.Qxd1#
      • 1...Rd2
        • 2.Rxd2#
      • 1...e3
        • 2.fxe3#
      • 1...c3!
    • 1.Bb6?
      • 1...Kxd5
        • 2.Rxd3#
      • 1...Rxd1
        • 2.Qxd1#
      • 1...Rd2
        • 2.Rxd2#
      • 1...e3
        • 2.fxe3#
      • 1...c3!
    • 1.Rxd3+?
      • 1...Kxd3
        • 2.Qd1#
      • 1...cxd3
        • 2.Qa1#
      • 1...exd3!
  • Keys
    • 1.Rb6!
      • 1...Kxd5
        • 2.Rxd3#
      • 1...Rxd1
        • 2.Qxd1#
      • 1...Rd2
        • 2.Rxd2#
      • 1...c3
        • 2.Rb4#
      • 1...e3
        • 2.fxe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);N_SPINP(e),P-FLIGHT,P_SPINP(b),XS(E)::R(A),XR(a)
    • R(a);N_SPINR(a),OGATE,XR(A)::QAR(B),XR(a)
    • R(a);OGATEB::R(A),XR(a)
    • P(d);OGATE::P(D),XP(d)
  • Tries
    • Try
      • K(H);P-FLIGHT,XP(g)
      • Vars
        • K(c);N_SPINP(e),P-FLIGHT,P_SPINP(b),XS(E)::R(A),XR(a)
        • R(a);N_SPINR(a),OGATE,XR(A)::QAR(B),XR(a)
        • R(a);OGATEB::R(A),XR(a)
        • P(d);OGATE::P(D),XP(d)
      • Refutation
        • P(b);
    • Try
      • B(G);
      • Vars
        • K(c);N_SPINP(e),P-FLIGHT,P_SPINP(b),XS(E)::R(A),XR(a)
        • R(a);N_SPINR(a),OGATE,XR(A)::QAR(B),XR(a)
        • R(a);OGATEB::R(A),XR(a)
        • P(d);OGATE::P(D),XP(d)
      • Refutation
        • P(b);
    • Try
      • R(A);CHECK,XR(a)
      • Vars
        • K(c);N_SPINP(e),P-FLIGHT,XR(A)::QAR2(B)
        • P(b);SBLOCK,XR(A)::QAB(B)
      • Refutation
        • P(d);XR(A)
  • Actual
    • R(F);N_PINP(e)
    • Vars
      • K(c);P-FLIGHT,P_SPINP(b),XS(E)::R(A),XR(a)
      • R(a);N_SPINR(a),OGATE,XR(A)::QAR(B),XR(a)
      • R(a);OGATEB::R(A),XR(a)
      • P(b);OGATEB::R(F)
      • P(d);OGATE::P(D),XP(d)
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