MESON Chess Problem Database

Problem Display
PID: 203395 (6Bb/n7/2p5/N5Rp/3kb2Q/3Nr3/pP2p2B/K1nR4 w - - 0 1)

Hartong, Jan

Western Morning News and Mercury, 1924

(First published on Sat Jul 26 1924)

6Bb/n7/2p5/N5Rp/3kb2Q/3Nr3/pP2p2B/K1nR4

#2

9 + 10

6490 yacpdb 2020
15239 Valois Notebooks 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd3
      • 2.Bg1#
      • 2.Qf2#
    • 1...Be5
      • 2.Bxe5#
    • 1...Sb3+
      • 2.Sxb3#
    • 1...Sxd3
      • 2.Sb3#
    • 1...Sb5
      • 2.Sxc6#
    • 1...Sc8
      • 2.Sxc6#
    • 1...c5
      • 2.Rd5#
  • Keys
    • 1.Rg4!
      • threat
        • 2.Qd8#
      • 1...Sb3+
        • 2.Sxb3#
      • 1...Rxd3
        • 2.Qf2#
      • 1...Sxd3
        • 2.Sb3#
      • 1...hxg4
        • 2.Qxh8#
      • 1...Rf3
        • 2.Rxe4#
      • 1...Rg3
        • 2.Rxe4#
      • 1...Rh3
        • 2.Rxe4#
      • 1...Be5
        • 2.Bxe5#
      • 1...Bf6
        • 2.Qxf6#
      • 1...Sb5
        • 2.Sxc6#
      • 1...Sc8
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • B(j);N_GUARD::B(D),XB(j)
    • S(a);CHECK,N_GUARD::S(G),XS(a)
    • S(a);N_GUARD,P_SPINS(a),XS(E)::S(G)
    • S(i);N_GUARD::S(G),XP(h)
    • P(h);N_GUARD::R1(H)
  • Actual
    • R(H);
    • Threat
      • QAR(F)
    • Vars
      • S(a);CHECK,N_GUARD::S(G),XS(a)
      • R(d);OGATEB,P_SPINR(d),XS(E)::QAB(F)
      • S(a);N_GUARD,P_SPINS(a),XS(E)::S(G)
      • P(g);N_SPINB(f),OGATE,XR(H)::QAB(F),XB(j)
      • R(d);N_GUARD::R1(H),XB(f)
      • B(j);N_GUARD::B(D),XB(j)
      • B(j);N_GUARD::QAB(F),XB(j)
      • S(i);N_GUARD::S(G),XP(h)
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