MESON Chess Problem Database

Problem Display
PID: 249731 (8/3N4/1Bp2p2/2R2Pb1/3Pk1K1/Qn2rp2/B3n3/3R1N2 w - - 0 1)

Ceder, Sven Ture

Jerusalem Post, 1951

(First published on Fri Jul 6 1951)

8/3N4/1Bp2p2/2R2Pb1/3Pk1K1/Qn2rp2/B3n3/3R1N2

#2

10 + 8

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bf4
      • 2.Sxf6#
    • 1...Bh6
      • 2.Sxf6#
    • 1...Sec1
      • 2.Sg3#
    • 1...Sg1
      • 2.Sg3#
    • 1...Sc3
      • 2.Sg3#
    • 1...Sg3
      • 2.Sxg3#
    • 1...Sexd4
      • 2.Sg3#
    • 1...Sf4
      • 2.Sg3#
    • 1...Sbxd4
      • 2.Sd2#
    • 1...Sxc5
      • 2.Sxc5#
  • Tries
    • 1.Ra5?
      • threat
        • 2.Qe7#
      • 1...Sexd4
        • 2.Sg3#
      • 1...Sbxd4
        • 2.Sd2#
      • 1...Bf4
        • 2.Sxf6#
      • 1...Sf4
        • 2.Sg3#
      • 1...Sd2
        • 2.Sxd2#
      • 1...Sc5
        • 2.Sxc5#
      • 1...c5!
    • 1.Qxb3?
      • threat
        • 2.Qe6#
      • 1...Sxd4
        • 2.Sd2#
        • 2.Sg3#
      • 1...Rd3
        • 2.Qxd3#
      • 1...Bf4
        • 2.Sxf6#
      • 1...Sf4
        • 2.Sg3#
        • 2.Qxe3#
      • 1...Rxb3!
  • Keys
    • 1.Rb5!
      • threat
        • 2.Qe7#
      • 1...Sexd4
        • 2.Sg3#
      • 1...Sbxd4
        • 2.Sd2#
      • 1...cxb5
        • 2.Qa8#
      • 1...c5
        • 2.Qa8#
      • 1...Bf4
        • 2.Sxf6#
      • 1...Sf4
        • 2.Sg3#
      • 1...Sd2
        • 2.Sxd2#
      • 1...Sc5
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • B(f);N_GUARD::S(J),XP(h)
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
    • S(a);N_GUARD,XP(E)::S(B)
    • S(b);N_GUARD,SBLOCK,XP(E)::S(B)
    • S(b);XR(G)::S(J),XS(b)
  • Tries
    • Try
      • R(G);
      • Threat
        • QAR(D)
      • Vars
        • S(a);N_GUARD,XP(E)::S(B)
        • S(b);N_GUARD,XP(E)::S(B)
        • B(f);N_GUARD::S(J),XP(h)
        • S(a);N_GUARD::S(B)
        • S(b);N_GUARD::S(B),XS(b)
        • S(b);N_GUARD::S(J),XS(b)
      • Refutation
        • P(g);
    • Try
      • Q(D);XS(b)
      • Threat
        • QAR2(D)
      • Vars
        • R(c);N_GUARD::QAB1(D),XR(c)
        • B(f);N_GUARD::S(J),XP(h)
      • Refutation
        • R(c);XQ(D)
  • Actual
    • R(G);
    • Threat
      • QAR(D)
    • Vars
      • S(a);N_GUARD,XP(E)::S(B)
      • S(b);N_GUARD,XP(E)::S(B)
      • P(g);OGATEB,XR(G)::QAB(D)
      • P(g);OGATEB::QAB(D)
      • B(f);N_GUARD::S(J),XP(h)
      • S(a);N_GUARD::S(B)
      • S(b);N_GUARD::S(B),XS(b)
      • S(b);N_GUARD::S(J),XS(b)
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