MESON Chess Problem Database

Problem Display
PID: 23607 (B7/3NN2K/2r1PP2/2pbp3/Rnp1krnR/4p3/2PP2P1/B3Q3 w - - 0 1)

Howard, Kenneth Samuel

2nd Prize, Guest MT, 1925

B7/3NN2K/2r1PP2/2pbp3/Rnp1krnR/4p3/2PP2P1/B3Q3

#2

13 + 10

5089 The Enjoyment of Chess Problems 1943
3098 FIDE Album (1914-1944) (I) 1971

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Qxe3#
    • 1...Rf2
      • 2.Qxe3#
    • 1...Rf5
      • 2.Qxe3#
    • 1...Rxf6
      • 2.Qxe3#
    • 1...Ra6
      • 2.Sxc5#
    • 1...Rb6
      • 2.Sxc5#
    • 1...Rd6
      • 2.Sxc5#
    • 1...Rxe6
      • 2.Sxc5#
    • 1...Bxe6
      • 2.Sxc5#
    • 1...Sa2
      • 2.d3#
    • 1...Sa6
      • 2.d3#
    • 1...Sf2
      • 2.Qxe3#
    • 1...Sh2
      • 2.Qxe3#
    • 1...Sxf6+
      • 2.Sxf6#
    • 1...Sh6
      • 2.Qxe3#
  • Tries
    • 1.Rxg4?
      • threat
        • 2.Qxe3#
      • 1...e2
        • 2.Qxe2#
      • 1...Sxc2!
  • Keys
    • 1.Qe2!
      • 1...Sxf6+
        • 2.Sxf6#
      • 1...Rxf6
        • 2.Qxe3#
      • 1...Rxe6
        • 2.Sxc5#
        • 2.Qxc4#
      • 1...Bxe6
        • 2.Sxc5#
      • 1...Sxc2
        • 2.d3#
      • 1...Rf1
        • 2.Qxe3#
      • 1...Rf2
        • 2.Qxe3#
      • 1...Rf3
        • 2.Qxf3#
      • 1...Rf5
        • 2.Qxe3#
      • 1...c3
        • 2.Qd3#
      • 1...Ra6
        • 2.Sxc5#
        • 2.Qxc4#
      • 1...Rb6
        • 2.Sxc5#
        • 2.Qxc4#
      • 1...Rd6
        • 2.Sxc5#
        • 2.Qxc4#
      • 1...Rc7
        • 2.Qxc4#
      • 1...Rc8
        • 2.Qxc4#
      • 1...Sa2
        • 2.Qd3#
        • 2.d3#
      • 1...Sd3
        • 2.Qxd3#
        • 2.cxd3#
      • 1...Sa6
        • 2.Qd3#
        • 2.d3#
      • 1...Sf2
        • 2.Qf3#
        • 2.Qxe3#
      • 1...Sh2
        • 2.Qxe3#
      • 1...Sh6
        • 2.Qf3#
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 8
  • Sets
    • R(e);P_SPINS(f)::QAR1(B),XP(a)
    • R(e);P_SPINS(f),XP(I)::QAR1(B),XP(a)
    • R(j);N_GUARD,P_SPINB(h)::S(J),XP(g)
    • R(j);N_GUARD,P_SPINB(h),XP(H)::S(J),XP(g)
    • B(h);P_SPINR(j),XP(H)::S(J),XP(g)
    • S(b);N_GUARD,S_CUTP(c)::P(D)
    • S(f);N_GUARD,P_SPINR(e)::QAR1(B),XP(a)
    • S(f);CHECK,P_SPINR(e),XP(I)::S(J),XS(f)
  • Tries
    • Try
      • R(G);P_PINR(e),XS(f)
      • Threat
        • QAR1(B),XP(a)
      • Vars
        • P(a);OGATEB::QAR2(B),XP(a)
      • Refutation
        • S(b);XP(C)
  • Actual
    • Q(B);
    • Vars
      • S(f);CHECK,P_SPINR(e),XP(I)::S(J),XS(f)
      • R(e);P_SPINS(f),XP(I)::QAR1(B),XP(a)
      • B(h);P_SPINR(j),XP(H)::S(J),XP(g)
      • S(b);N_GUARD,S_CUTP(c),XP(C)::P(D)
      • R(e);P_SPINS(f)::QAR1(B),XP(a)
      • R(e);N_GUARD,P_SPINS(f)::QAB1(B),XR(e)
      • P(c);N_GUARD,P_SPINS(b)::QAB1(B)
      • R(j);P_SPINB(h)::QAR2(B),XP(c)
      • S(f);N_GUARD,P_SPINR(e)::QAR1(B),XP(a)
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