MESON Chess Problem Database

Problem Display
PID: 148707 (R3K2b/3N4/2p1Q3/2pP1N1R/2k5/P1n5/2P1rn2/5B2 w - - 0 1)

Salardini, Erio

Bristol Times, 1930

(First published on Sat Jul 5 1930)

R3K2b/3N4/2p1Q3/2pP1N1R/2k5/P1n5/2P1rn2/5B2

#2

10 + 7

35 L'Italia Scacchistica 1930

SOLUTION

  • SOUND
  • Sets
    • 1...Kb5
      • 2.Sd6#
    • 1...Bd4
      • 2.Sd6#
  • Tries
    • 1.Se3+?
      • 1...Kb5
        • 2.Qxc6#
      • 1...Kd4!
    • 1.Se5+?
      • 1...Kb5
        • 2.Qxc6#
      • 1...Bxe5!
    • 1.Bxe2+?
      • 1...Sd3
        • 2.Bxd3#
      • 1...Sxe2!
    • 1.Qxe2+?
      • 1...Kxd5
        • 2.Sb6#
        • 2.Qc4#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sxe2!
  • Keys
    • 1.Qe3!
      • threat
        • 2.Sd6#
      • 1...Kb5
        • 2.Sd6#
      • 1...Kxd5
        • 2.Sb6#
      • 1...Be5
        • 2.Qxc5#
      • 1...Sfe4
        • 2.Qd3#
      • 1...Sce4
        • 2.Qb3#
      • 1...Sb5
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • K(d);S_FLIGHT::S(E)
    • B(g);SBLOCK::S(E)
  • Tries
    • Try
      • S(E);CHECK,N_SPINQ(G)
      • Vars
        • K(d);S_FLIGHT::QAB1(G),XP(f)
      • Refutation
        • K(d);N_SPINR(a),P-FLIGHT
    • Try
      • S(H);CHECK,N_SPINQ(G)
      • Vars
        • K(d);S_FLIGHT::QAB1(G),XP(f)
      • Refutation
        • B(g);XS(H)
    • Try
      • B(A);CHECK,N_SPINQ(G),XR(a)
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::B(A),XS(b)
      • Refutation
        • S(c);XB(A)
    • Try
      • Q(G);CHECK,N_SPINQ(G),XR(a)
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::QAB1(G),XS(b)
      • Refutation
        • S(c);P_SPINS(c),XQ(G)
  • Actual
    • Q(G);
    • Threat
      • S(E)
    • Vars
      • K(d);S_FLIGHT::S(E)
      • K(d);N_SPINR(a),S_FLIGHT,XP(D)::S(H)
      • B(g);N_PINQ(G)::QAR1(G),XP(e)
      • S(b);N_PINQ(G)::QAB1(G)
      • S(c);N_PINQ(G)::QAB1(G)
      • S(c);SBLOCK::S(H)
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