MESON Chess Problem Database

Problem Display
PID: 181929 (1b4n1/1K5Q/3k1p1R/3pRPN1/P2p4/3P1nB1/8/7B w - - 0 1)

Groener, A

British Chess Magazine, 1912

1b4n1/1K5Q/3k1p1R/3pRPN1/P2p4/3P1nB1/8/7B

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Ba7
      • 2.Qc7#
    • 1...Bc7
      • 2.Qxc7#
    • 1...Se1
      • 2.Rxd5#
    • 1...Sg1
      • 2.Rxd5#
    • 1...Sd2
      • 2.Rxd5#
    • 1...Sh2
      • 2.Rxd5#
    • 1...Sh4
      • 2.Rxd5#
    • 1...Sxg5
      • 2.Rxd5#
    • 1...Sxh6
      • 2.Qe7#
    • 1...Se7
      • 2.Qxe7#
  • Tries
    • 1.Sxf3?
      • 1...Sxh6
        • 2.Qe7#
      • 1...Se7
        • 2.Qxe7#
      • 1...Ba7
        • 2.Qc7#
      • 1...Bc7
        • 2.Qxc7#
      • 1...Kc5!
    • 1.Rxf6+?
      • 1...Sxf6
        • 2.Qe7#
      • 1...Kc5!
  • Keys
    • 1.Be1!
      • 1...Kc5
        • 2.Se4#
      • 1...Kxe5
        • 2.Bg3#
      • 1...Sxe1
        • 2.Rxd5#
      • 1...Sxe5
        • 2.Bb4#
      • 1...Sxg5
        • 2.Rxd5#
      • 1...Sxh6
        • 2.Qe7#
      • 1...Se7
        • 2.Qxe7#
      • 1...Ba7
        • 2.Qc7#
      • 1...Bc7
        • 2.Qxc7#
      • 1...Sg1
        • 2.Rxd5#
      • 1...Sd2
        • 2.Rxd5#
      • 1...Sh2
        • 2.Rxd5#
      • 1...Sh4
        • 2.Rxd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • B(f);N_GUARD::QAB1(J)
    • B(f);N_GUARD::QAB1(J),XB(f)
    • S(a);::B(C)+R(E),DCHECK,XP(c)
    • S(a);XS(G)::B(C)+R(E),DCHECK,XP(c)
    • S(g);N_GUARD,N_SPINP(e),XR(H)::QAB1(J)
    • S(g);N_GUARD::QAB1(J),XS(g)
  • Tries
    • Try
      • S(G);XS(a)
      • Vars
        • S(g);N_GUARD,N_SPINP(e),XR(H)::QAB1(J)
        • S(g);N_GUARD::QAB1(J),XS(g)
        • B(f);N_GUARD::QAB1(J)
        • B(f);N_GUARD::QAB1(J),XB(f)
      • Refutation
        • K(d);N_SPINP(e),P_SPINP(c),S_FLIGHT
    • Try
      • R(H);CHECK,XP(e)
      • Vars
        • S(g);XR(H)::QAB1(J)
      • Refutation
        • K(d);P_SPINP(c),S_FLIGHT
  • Actual
    • B(C);
    • Vars
      • K(d);N_SPINP(e),P_SPINP(c),S_FLIGHT::S(G)
      • K(d);N_SPINP(e),OGATEB,S_FLIGHT,XR(E)::B(C)
      • S(a);XB(C)::R1(E),XP(c)
      • S(a);SBLOCK,XR(E)::B(C)
      • S(a);XS(G)::R1(E),XP(c)
      • S(g);N_GUARD,N_SPINP(e),XR(H)::QAB1(J)
      • S(g);N_GUARD::QAB1(J),XS(g)
      • B(f);N_GUARD::QAB1(J)
      • B(f);N_GUARD::QAB1(J),XB(f)
      • S(a);::R1(E),XP(c)
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