MESON Chess Problem Database
Problem Display
PID: 154303 (b3n3/5N2/5pB1/npp2Rp1/Qp1pk1r1/7R/2P5/1K2b1B1 w - - 0 1)
Sparke, Arthur M
Good Companions (May), 1916
#2
8 + 12
SOLUTION
- SOUND
- Sets
- 1...Rf4
- 2.Re5#
- 1...Bd5
- 2.Rxf6#
- 1...Sb3
- 2.Qxa8#
- 1...Sc4
- 2.Qxa8#
- 1...Sd6
- 2.Sxd6#
- 1...Sc7
- 2.Sd6#
- 1...Sg7
- 2.Sd6#
- 1...b3
- 2.Re3#
- 1...d3
- 2.cxd3#
- 1...Rf4
- Tries
- 1.Qb3?
- threat
- 2.Rxf6#
- 2.Qe6#
- 2.Qd3#
- 2.Qf3#
- 1...Rg3
- 2.Rxf6#
- 2.Qe6#
- 1...Rf4
- 2.Re5#
- 2.Qe6#
- 2.Qd3#
- 1...Bc3
- 2.Rxf6#
- 2.Qe6#
- 1...Bg3
- 2.Rxf6#
- 2.Qd3#
- 2.Qf3#
- 1...Bd5
- 2.Rxf6#
- 2.Qxd5#
- 2.Qd3#
- 2.Qf3#
- 1...Sc4
- 2.Qd3#
- 2.Qf3#
- 1...Sc6
- 2.Rxf6#
- 2.Qd5#
- 2.Qd3#
- 2.Qf3#
- 1...Sd6
- 2.Sxd6#
- 2.Qe6#
- 2.Qd3#
- 2.Qf3#
- 1...Sc7
- 2.Sd6#
- 2.Rxf6#
- 2.Qd3#
- 2.Qf3#
- 1...Sg7
- 2.Sd6#
- 2.Qd3#
- 2.Qf3#
- 1...d3
- 2.Rxf6#
- 2.Qe6#
- 2.Qxd3#
- 2.cxd3#
- 1...c4
- 2.Qf3#
- 1...Sxb3!
- threat
- 1.Qxb5?
- threat
- 2.Qe2#
- 2.Qd3#
- 2.Qxe8#
- 1...Rg2
- 2.Qd3#
- 2.Qxe8#
- 1...Rg3
- 2.Qxe8#
- 1...Bd2
- 2.Qd3#
- 2.Qxe8#
- 1...Bf2
- 2.Qd3#
- 2.Qxe8#
- 1...Bg3
- 2.Qe2#
- 2.Qd3#
- 1...Bd5
- 2.Rxf6#
- 2.Qe2#
- 2.Qd3#
- 1...Bc6
- 2.Qe2#
- 2.Qd3#
- 1...Sc6
- 2.Qe2#
- 2.Qd3#
- 1...Sd6
- 2.Sxd6#
- 2.Qe2#
- 2.Qd3#
- 1...Sc7
- 2.Sd6#
- 2.Qe2#
- 2.Qd3#
- 1...Sg7
- 2.Sd6#
- 2.Qe2#
- 2.Qd3#
- 1...d3
- 2.Qxd3#
- 2.Qxe8#
- 2.cxd3#
- 1...c4
- 2.Rxf6#
- 2.Qxe8#
- 1...Sc4!
- threat
- 1.Qb3?
- Keys
- 1.c4!
- threat
- 2.Rxf6#
- 1...Sxc4
- 2.Qxa8#
- 1...bxc4
- 2.Qxe8#
- 1...bxc4 ep
- 2.Re3#
- 1...dxc4 ep
- 2.Qc2#
- 1...Rf4
- 2.Re5#
- 1...Sd6
- 2.Sxd6#
- 1...Sg7
- 2.Sd6#
- threat
- 1.c4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 5
- Sets
- R(e);SBLOCK::B(G)+R(F),DCHECK
- B(k);SBLOCK::B(G)+R(F),XP(j)
- S(f);OGATE::QAB(E),XB(k)
- S(l);N_GUARD::S(H),XS(l)
- S(l);N_GUARD::S(H)
- P(b);P_SPINP(c)::R1(D)
- P(c);OGATE,P_SPINP(b)::P(C),XP(c)
- Tries
- Try
- Q(E);
- Threat
- DUALS(4)
- Vars
- P(h);::QAB1(E)
- Refutation
- S(f);XQ(E)
- Try
- Q(E);XP(g)
- Threat
- DUALS(3)
- Vars
- R(e);::QAR(E),XS(l)
- Refutation
- S(f);
- Try
- Actual
- P(C);
- Threat
- B(G)+R(F),XP(j)
- Vars
- S(f);OGATE,XP(C)::QAB(E),XB(k)
- P(g);OGATE,XP(C)::QAR(E),XS(l)
- P(b);EP,P_SPINP(c),XP(C)::R1(D)
- P(c);EP,N_GUARD,P_SPINP(b),XP(C)::QAB(E)
- R(e);SBLOCK::B(G)+R(F),DCHECK
- S(l);N_GUARD::S(H),XS(l)
- S(l);N_GUARD::S(H)
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