MESON Chess Problem Database

Problem Display
PID: 61826 (B5b1/1NBp4/1P5r/RN1kpP2/Kpr2p2/1P3P2/3P2Q1/6b1 w - - 0 1)

Salardini, Erio

Het Belgisch Schaakbord (L'Echiquier Belge), 1956

B5b1/1NBp4/1P5r/RN1kpP2/Kpr2p2/1P3P2/3P2Q1/6b1

#2

12 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Sa7#
    • 1...Rd4
      • 2.Sa7#
    • 1...Bc5
      • 2.S7d6#
  • Tries
    • 1.Sc3+?
      • 1...Kc6
        • 2.Sc5#
        • 2.Sd6#
        • 2.Sd8#
      • 1...Kd4!
    • 1.Qxg8+?
      • 1...Kc6
        • 2.Sa7#
      • 1...Re6!
    • 1.bxc4+?
      • 1...Kc6
        • 2.Sa7#
      • 1...Kxc4!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qxc4#
      • 1...Kc6
        • 2.Sa7#
      • 1...Rxc7
        • 2.Qe4#
      • 1...Rc5
        • 2.Qe4#
      • 1...Rc1
        • 2.Qe4#
      • 1...Rc2
        • 2.Qe4#
      • 1...Rc3
        • 2.Qe4#
      • 1...Rd4
        • 2.Sa7#
      • 1...Re4
        • 2.Qxe4#
      • 1...Rcc6
        • 2.Qe4#
        • 2.Qxe5#
      • 1...Rhc6
        • 2.Qxe5#
      • 1...Bc5
        • 2.S7d6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::S(G)
    • R(c);N_GUARD,SBLOCK,S_CUTB(a)::R(F)+S(G)
    • B(a);SBLOCK,S_CUTR(c)::B(L)+S(J)
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • Q(B);CHECK,XB(i)
      • Vars
        • K(e);S_FLIGHT::S(G)
      • Refutation
        • R(g);P_SPINR(g)
    • Try
      • P(C);CHECK,XR(c)
      • Vars
        • K(e);S_FLIGHT::S(G)
      • Refutation
        • K(e);S_FLIGHT,XP(C)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B),XR(c)
    • Vars
      • K(e);S_FLIGHT::S(G)
      • R(c);N_GUARD,XB(K)::QAB1(B)
      • R(c);N_GUARD::QAB1(B)
      • R(c);N_GUARD,SBLOCK,S_CUTB(a)::R(F)+S(G)
      • R(c);N_GUARD::QAB1(B),XR(c)
      • R(g);SBLOCK::QAR1(B),XP(f)
      • B(a);SBLOCK,S_CUTR(c)::B(L)+S(J)
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