MESON Chess Problem Database

Problem Display
PID: 243186 (1B6/6P1/1Qn1nR2/2PkP1p1/r2PNpP1/4p3/P3B3/b2R3K w - - 0 1)

Bartolovic, Hrvoje

Revista Romana de Sah, 1963

1B6/6P1/1Qn1nR2/2PkP1p1/r2PNpP1/4p3/P3B3/b2R3K

#2

13 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Qxc6#
    • 1...Bc3
      • 2.Sxc3#
    • 1...Bxd4
      • 2.Sc3#
    • 1...Scxd4
      • 2.Qb7#
    • 1...Sexd4
      • 2.Qxc6#
    • 1...Sxc5
      • 2.Qxc6#
    • 1...Sc7
      • 2.Qxc6#
    • 1...Sxg7
      • 2.Qxc6#
    • 1...Sf8
      • 2.Qxc6#
  • Tries
    • 1.Bc4+?
      • 1...Kxc4
        • 2.Qb3#
      • 1...Kxe4
        • 2.Qxc6#
      • 1...Rxc4!
    • 1.Rg6?
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Qxc6#
      • 1...Sexd4
        • 2.Qxc6#
      • 1...Sxc5
        • 2.Qxc6#
      • 1...Sxg7
        • 2.Qxc6#
      • 1...Sc7
        • 2.Qxc6#
      • 1...Sf8
        • 2.Qxc6#
      • 1...Sed8!
    • 1.Rh6?
      • threat
        • 2.Sf6#
      • 1...Kxe4
        • 2.Qxc6#
      • 1...Sexd4
        • 2.Qxc6#
      • 1...Sxc5
        • 2.Qxc6#
      • 1...Sxg7
        • 2.Qxc6#
      • 1...Sc7
        • 2.Qxc6#
      • 1...Sf8
        • 2.Qxc6#
      • 1...Sed8!
  • Keys
    • 1.Bf3!
      • threat
        • 2.Sd6#
      • 1...Kc4
        • 2.Qb3#
      • 1...Rxd4
        • 2.Qb3#
      • 1...Bxd4
        • 2.Sd2#
      • 1...Scxd4
        • 2.Qxe6#
      • 1...Sxe5
        • 2.Qxe6#
      • 1...Sexd4
        • 2.g8Q#
        • 2.g8B#
      • 1...Sxc5
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • K(e);S_FLIGHT,XS(F)::QAB(J),XS(g)
    • B(a);N_GUARD::S(F),XB(a)
    • B(a);N_GUARD,P_SPINB(a),XP(E)::S(F)
    • S(g);OGATEB,P_SPINS(g),XP(E)::QAB(J)
    • S(h);P_SPINS(h),XP(E)::QAB1(J),XS(g)
    • S(h);XP(H)::QAB1(J),XS(g)
    • S(h);::QAB1(J),XS(g)
    • S(h);XP(L)::QAB1(J),XS(g)
  • Tries
    • Try
      • B(D);CHECK
      • Vars
        • K(e);S_FLIGHT,XB(D)::QAB1(J)
        • K(e);S_FLIGHT,XS(F)::QAB(J),XS(g)
      • Refutation
        • R(c);XB(D)
    • Try
      • R(K);
      • Threat
        • S(F)
      • Vars
        • K(e);S_FLIGHT,XS(F)::QAB(J),XS(g)
        • S(h);P_SPINS(h),XP(E)::QAB1(J),XS(g)
        • S(h);XP(H)::QAB1(J),XS(g)
        • S(h);XP(L)::QAB1(J),XS(g)
        • S(h);::QAB1(J),XS(g)
      • Refutation
        • S(h);
    • Try
      • R(K);
      • Threat
        • S(F)
      • Vars
        • K(e);S_FLIGHT,XS(F)::QAB(J),XS(g)
        • S(h);P_SPINS(h),XP(E)::QAB1(J),XS(g)
        • S(h);XP(H)::QAB1(J),XS(g)
        • S(h);XP(L)::QAB1(J),XS(g)
        • S(h);::QAB1(J),XS(g)
      • Refutation
        • S(h);
  • Actual
    • B(D);
    • Threat
      • B(D)+S(F)
    • Vars
      • K(e);S_FLIGHT::QAB1(J)
      • R(c);N_GUARD,P_SPINR(c),XP(E)::QAB(J)
      • B(a);P_SPINB(a),SBLOCK,XP(E)::B(D)+S(F)
      • S(g);OGATE,P_SPINS(g),XP(E)::QAB1(J),XS(h)
      • S(g);OGATE,XP(I)::QAB1(J),XS(h)
      • S(h);P_SPINS(h),XP(E)::P=Q
      • S(h);OGATE,XP(H)::QAR1(J),XS(h)
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