MESON Chess Problem Database

Problem Display
PID: 222430 (3R4/1p6/2pQ2p1/2P1p3/4k1rr/5RpN/4K3/4nn2 w - - 0 1)

Abbott, Joseph William

South Australian Weekly Chronicle, 1883

3R4/1p6/2pQ2p1/2P1p3/4k1rr/5RpN/4K3/4nn2

#2

6 + 10

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rg5
      • 2.Sxg5#
    • 1...Sc2
      • 2.Qd3#
    • 1...Sg2
      • 2.Qd3#
    • 1...Sd3
      • 2.Qxd3#
    • 1...Sxf3
      • 2.Qd3#
    • 1...g2
      • 2.Sf2#
    • 1...g5
      • 2.Qg6#
    • 1...b5
      • 2.Qxc6#
    • 1...b6
      • 2.Qxc6#
  • Tries
    • 1.Re3+?
      • 1...Kf5
        • 2.Rxe5#
        • 2.Rf8#
        • 2.Qxe5#
      • 1...Sxe3!
    • 1.Rf4+?
      • 1...exf4
        • 2.Qe6#
      • 1...Rxf4!
    • 1.Re8?
      • threat
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Sxf3
        • 2.Qd3#
      • 1...Rg5
        • 2.Sxg5#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Rh5!
  • Keys
    • 1.Qd7!
      • 1...Rxh3
        • 2.Qxg4#
      • 1...Sxf3
        • 2.Qd3#
      • 1...Rh5
        • 2.Qxg4#
      • 1...Rf4
        • 2.Sg5#
      • 1...Rg5
        • 2.Sxg5#
      • 1...Rh6
        • 2.Qxg4#
      • 1...Rh7
        • 2.Qxg4#
      • 1...Rh8
        • 2.Qxg4#
      • 1...Sc2
        • 2.Qd3#
      • 1...Sg2
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sd2
        • 2.Re3#
      • 1...Sh2
        • 2.Re3#
      • 1...Se3
        • 2.Rxe3#
      • 1...g2
        • 2.Sf2#
      • 1...g5
        • 2.Qf5#
      • 1...b5
        • 2.Qxc6#
      • 1...b6
        • 2.Qxc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • R(e);N_GUARD::S(C),XR(e)
    • S(a);N_GUARD::QAB1(E)
    • S(a);N_GUARD::QAB1(E),XS(a)
    • S(a);N_GUARD,XR(B)::QAB1(E)
    • P(c);N_GUARD::S(C)
    • P(i);S_CUTR(e)::QAB(E)
    • P(j);N_GUARD::QAB(E),XP(h)
  • Tries
    • Try
      • R(B);CHECK
      • Refutation
        • S(b);XR(B)
    • Try
      • R(B);CHECK
      • Vars
        • P(g);S_CUTR(e),XR(B)::QAR2(E)
      • Refutation
        • R(e);XR(B)
    • Try
      • R(F);P_PINP(g)
      • Threat
        • DUALS(2)
      • Vars
        • S(a);N_GUARD,XR(B)::QAB1(E)
        • R(e);N_GUARD::S(C),XR(e)
        • S(a);N_GUARD::QAB1(E),XS(a)
      • Refutation
        • R(f);
  • Actual
    • Q(E);
    • Vars
      • R(f);N_GUARD,XS(C)::QAR2(E),XR(e)
      • S(a);N_GUARD,XR(B)::QAB1(E)
      • R(f);N_GUARD::QAR2(E),XR(e)
      • R(e);N_GUARD::S(C)
      • R(e);N_GUARD::S(C),XR(e)
      • S(a);N_GUARD::QAB1(E)
      • S(a);N_GUARD::QAB1(E),XS(a)
      • S(b);N_GUARD::R1(B)
      • S(b);N_GUARD::R1(B),XS(b)
      • P(c);N_GUARD::S(C)
      • P(i);N_GUARD::QAB1(E)
      • P(j);N_GUARD::QAB(E),XP(h)
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