MESON Chess Problem Database

Problem Display
PID: 152052 (nb2r1B1/1q6/Q1PR1P2/p2np2N/r1p1k1P1/2P5/N3pPPB/2R2bK1 w - - 0 1)

Henriksen, Thorleif Cammillo

Good Companions (February), 1915

nb2r1B1/1q6/Q1PR1P2/p2np2N/r1p1k1P1/2P5/N3pPPB/2R2bK1

#2

14 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qxa6
      • 2.Bh7#
    • 1...Qxc6
      • 2.Bh7#
    • 1...Qb1
      • 2.Bh7#
    • 1...Qb2
      • 2.Bh7#
    • 1...Qb3
      • 2.Bh7#
    • 1...Qb4
      • 2.Bh7#
    • 1...Qb5
      • 2.Bh7#
    • 1...Qb6
      • 2.Bh7#
    • 1...Qh7
      • 2.Bxh7#
    • 1...Rxa2
      • 2.Qxc4#
    • 1...Ra3
      • 2.Qxc4#
    • 1...Bc7
      • 2.Bh7#
    • 1...Sxc3
      • 2.Sxc3#
    • 1...Se3
      • 2.f3#
    • 1...Sb4
      • 2.Qxc4#
    • 1...Sf4
      • 2.Sg3#
    • 1...Sxf6
      • 2.Sxf6#
    • 1...Sdc7
      • 2.Bh7#
    • 1...Sac7
      • 2.Bh7#
  • Tries
    • 1.Sg3+?
      • 1...Kd3
        • 2.Rxd5#
      • 1...Kf4!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qxd5#
      • 1...Kd3
        • 2.Qxd5#
      • 1...Qxc6
        • 2.Bh7#
        • 2.Qb1#
      • 1...Qxb5
        • 2.Bh7#
      • 1...Sxc3
        • 2.Sxc3#
      • 1...Sxf6
        • 2.Sxf6#
      • 1...Qf7
        • 2.Qb1#
      • 1...Se3
        • 2.f3#
      • 1...Sb4
        • 2.Qxc4#
      • 1...Sf4
        • 2.Sg3#
      • 1...Sdb6
        • 2.Qb1#
      • 1...Sdc7
        • 2.Bh7#
      • 1...Se7
        • 2.Qxe5#
      • 1...Sab6
        • 2.Qb1#
      • 1...Sac7
        • 2.Bh7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 11
  • Sets
    • Q(i);N_GUARD,XQ(J)::B(N)
    • Q(i);N_GUARD,XP(K)::B(N)
    • Q(i);N_GUARD::B(N)
    • Q(i);N_GUARD,P_PINP(D)::B(N)
    • Q(i);N_GUARD::B(N),XQ(i)
    • R(c);N_GUARD,XS(C)::QAR2(J),XP(d)
    • R(c);N_GUARD::QAR2(J),XP(d)
    • B(k);S_CUTQ(i)::B(N)
    • S(g);XP(G)::S(C),XS(g)
    • S(g);SBLOCK::P(D)
    • S(g);S_CUTR(c)::QAR2(J),XP(d)
    • S(g);SBLOCK::S(I)
    • S(g);XP(M)::S(I),XS(g)
    • S(g);S_CUTQ(i)::B(N)
    • S(j);S_CUTQ(i)::B(N)
  • Tries
    • Try
      • S(I);CHECK
      • Vars
        • K(e);P_SPINP(d),P_SPINS(g),S_FLIGHT::R(L),XS(g)
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • Q(J);
    • Threat
      • QAB1(J),XS(g)
    • Vars
      • K(e);P_SPINP(d),P_SPINS(g),S_FLIGHT::QAR2(J),XS(g)
      • Q(i);N_GUARD,XQ(J)::B(N)
      • S(g);XP(G)::S(C),XS(g)
      • S(g);XP(M)::S(I),XS(g)
      • Q(i);N_GUARD::QAB(J)
      • S(g);SBLOCK::P(D)
      • S(g);S_CUTR(c)::QAR2(J),XP(d)
      • S(g);SBLOCK::S(I)
      • S(g);S_CUTQ(i)::QAB(J)
      • S(g);S_CUTQ(i)::B(N)
      • S(g);OGATE::QAR1(J),XP(h)
      • S(j);S_CUTQ(i)::QAB(J)
      • S(j);S_CUTQ(i)::B(N)
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Developed and maintained by Brian Stephenson.
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