MESON Chess Problem Database

Problem Display
PID: 66267 (5Q2/1ppNn3/2Bkp3/2b1N3/8/n5PK/1rR5/B7 w - - 0 1)

Valle, Giovanni Batista

Tijdschrift vd NSB, 1896

5Q2/1ppNn3/2Bkp3/2b1N3/8/n5PK/1rR5/B7

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bg1
      • 2.Sf7#
    • 1...Bf2
      • 2.Sf7#
    • 1...Be3
      • 2.Sf7#
    • 1...Bb4
      • 2.Sf7#
    • 1...Bd4
      • 2.Sf7#
    • 1...Bb6
      • 2.Sf7#
    • 1...Ba7
      • 2.Sf7#
  • Tries
    • 1.Sb8?
      • threat
        • 2.Sf7#
      • 1...Kxe5
        • 2.Qf4#
      • 1...bxc6!
    • 1.Rd2+?
      • 1...Bd4
        • 2.Rxd4#
      • 1...Rxd2!
  • Keys
    • 1.Sb6!
      • 1...Kxe5
        • 2.Qf4#
      • 1...Rxc2
        • 2.Sc8#
        • 2.Qd8#
      • 1...Rxb6
        • 2.Qd8#
      • 1...Bxb6
        • 2.Sf7#
      • 1...Sxc2
        • 2.Sbc4#
      • 1...bxc6
        • 2.Sf7#
      • 1...cxb6
        • 2.Qb8#
      • 1...Rb1
        • 2.Sc8#
        • 2.Qd8#
      • 1...Ra2
        • 2.Sc8#
        • 2.Qd8#
      • 1...Rb3
        • 2.Sc8#
        • 2.Qd8#
      • 1...Rb4
        • 2.Sc8#
        • 2.Qd8#
      • 1...Rb5
        • 2.Sc8#
        • 2.Qd8#
      • 1...Bg1
        • 2.Sf7#
      • 1...Bf2
        • 2.Sf7#
      • 1...Be3
        • 2.Sf7#
      • 1...Bb4
        • 2.Sf7#
      • 1...Bd4
        • 2.Sf7#
      • 1...Sb1
        • 2.Sbc4#
      • 1...Sc4
        • 2.Sbxc4#
      • 1...Sb5
        • 2.Sbc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 1
  • Sets
    • B(c);::S(E)
  • Tries
    • Try
      • S(G);
      • Threat
        • S(E)
      • Vars
        • K(d);N_SPINS(h),OGATEB,P_SPINR(a),S_FLIGHT,XS(E)::QAB1(H)
      • Refutation
        • P(f);XB(F)
    • Try
      • R(B);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c)::R(B),XB(c)
      • Refutation
        • R(a);XR(B)
  • Actual
    • S(G);
    • Vars
      • K(d);N_SPINS(h),OGATEB,P_SPINR(a),S_FLIGHT,XS(E)::QAB1(H)
      • R(a);XS(G)::QAR2(H)
      • B(c);XS(G)::S(E)
      • S(b);N_GUARD,XR(B)::S(G)
      • P(f);SBLOCK,XB(F)::S(E)
      • P(g);OGATEB,XS(G)::QAB(H)
      • B(c);::S(E)
      • S(b);N_GUARD::S(G)
      • S(b);N_GUARD::S(G),XS(b)
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