MESON Chess Problem Database
Problem Display
PID: 30774 (1n2n2N/4p1r1/1B2pN2/4k1p1/1P4P1/4K1p1/p1PR2P1/rb3Q2 w - - 0 1)
Waterhouse, Albert F
Manchester Times, 1910
#2
10 + 11
| 2638 | White to Play | 1913 |
| 937 | Sunday Referee | 1937 |
SOLUTION
- SOUND
- Sets
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Bxc2
- 2.Qxa1#
- 1...Sa6
- 2.Sd7#
- 1...Sc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sd6
- 2.Bd4#
- 1...Sxf6
- 2.Bc7#
- 1...Sc7
- 2.Bxc7#
- 1...exf6
- 2.Qb5#
- 1...Rg6
- Tries
- 1.Sxe8?
- threat
- 2.Bc7#
- 2.Qb5#
- 1...Sd7
- 2.Bc7#
- 1...Sa6!
- threat
- 1.Ba5?
- 1...Bxc2
- 2.Qxa1#
- 1...Sxf6
- 2.Bc7#
- 1...exf6
- 2.Qb5#
- 1...Sa6
- 2.Sd7#
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Sc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sc7
- 2.Bxc7#
- 1...Sd6!
- 1...Bxc2
- 1.Ba7?
- 1...Bxc2
- 2.Qxa1#
- 1...Sxf6
- 2.Bxb8#
- 1...exf6
- 2.Qb5#
- 1...Sa6
- 2.Sd7#
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Sc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sd6
- 2.Bd4#
- 1...Sc7!
- 1...Bxc2
- 1.Bd8?
- 1...Bxc2
- 2.Qxa1#
- 1...Sxf6
- 2.Bc7#
- 1...exf6
- 2.Qb5#
- 1...Sa6
- 2.Sd7#
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Sc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sc7
- 2.Bxc7#
- 1...Sd6!
- 1...Bxc2
- 1.Rd1?
- 1...Sxf6
- 2.Bc7#
- 1...exf6
- 2.Qb5#
- 1...Sa6
- 2.Sd7#
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Sc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sd6
- 2.Bd4#
- 1...Sc7
- 2.Bxc7#
- 1...Bxc2!
- 1...Sxf6
- 1.Rd3?
- 1...Bxc2
- 2.Qxa1#
- 1...Sxf6
- 2.Bc7#
- 1...Sa6
- 2.Sd7#
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Sc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sd6
- 2.Bd4#
- 1...Sc7
- 2.Bxc7#
- 1...exf6!
- 1...Bxc2
- 1.Qd3?
- threat
- 2.Qc3#
- 2.Qd4#
- 1...Sc6
- 2.Sd7#
- 1...Kxf6!
- threat
- 1.Qc4?
- threat
- 2.Qc3#
- 2.Qd4#
- 1...Sc6
- 2.Sd7#
- 1...Kxf6!
- threat
- 1.Qc1?
- threat
- 2.Qb2#
- 1...Sc6
- 2.Sd7#
- 1...Kxf6!
- threat
- 1.Qf3?
- 1...Sxf6
- 2.Bc7#
- 2.Qxg3#
- 1...exf6
- 2.Qe4#
- 2.Qxg3#
- 1...Sa6
- 2.Sd7#
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Sc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sd6
- 2.Bd4#
- 1...Sc7
- 2.Bxc7#
- 1...Bxc2!
- 1...Sxf6
- 1.b5?
- 1...Bxc2
- 2.Qxa1#
- 1...Sxf6
- 2.Bc7#
- 1...Sa6
- 2.Sd7#
- 1...Rg6
- 2.Sxg6#
- 2.Sf7#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rh7
- 2.Sg6#
- 1...Rg8
- 2.Sf7#
- 1...Sc6
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sd6
- 2.Bd4#
- 1...Sc7
- 2.Bxc7#
- 1...exf6!
- 1...Bxc2
- 1.Sxe8?
- Keys
- 1.Qa6!
- threat
- 2.Bd4#
- 1...Kxf6
- 2.Bd4#
- 1...Sxa6
- 2.Sd7#
- 1...Sxf6
- 2.Bc7#
- 1...exf6
- 2.Qb5#
- 2.Qa5#
- 1...Sc6
- 2.Sd7#
- threat
- 1.Qa6!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 7
- Sets
- R(i);N_GUARD::S(J)
- B(b);OGATE,XP(B)::QAB(A),XR(a)
- S(j);N_GUARD::S(I)
- S(j);N_GUARD::S(I),XS(j)
- S(k);SBLOCK::B(H)
- S(k);N_GUARD,XS(I)::B(H)
- S(k);N_GUARD::B(H),XS(k)
- P(h);SBLOCK,XS(I)::QAR(A)
- Tries
- Try
- S(I);XS(k)
- Threat
- DUALS(2)
- Vars
- S(j);::B(H)
- Refutation
- S(j);
- Try
- B(H);
- Vars
- B(b);OGATE,XP(B)::QAB(A),XR(a)
- S(k);N_GUARD,XS(I)::B(H)
- P(h);SBLOCK,XS(I)::QAR(A)
- S(j);N_GUARD::S(I)
- R(i);N_GUARD::S(J)
- S(j);N_GUARD::S(I),XS(j)
- S(k);N_GUARD::B(H),XS(k)
- Refutation
- S(k);
- Try
- B(H);
- Vars
- B(b);OGATE,XP(B)::QAB(A),XR(a)
- S(k);N_GUARD,XS(I)::B(H),XS(j)
- P(h);SBLOCK,XS(I)::QAR(A)
- S(j);N_GUARD::S(I)
- R(i);N_GUARD::S(J)
- S(j);N_GUARD::S(I),XS(j)
- S(k);SBLOCK::B(H)
- Refutation
- S(k);
- Try
- B(H);
- Vars
- B(b);OGATE,XP(B)::QAB(A),XR(a)
- S(k);N_GUARD,XS(I)::B(H)
- P(h);XS(I)::QAR(A)
- S(j);N_GUARD::S(I)
- R(i);N_GUARD::S(J)
- S(j);N_GUARD::S(I),XS(j)
- S(k);N_GUARD::B(H),XS(k)
- Refutation
- S(k);
- Try
- R(C);
- Vars
- S(k);N_GUARD,XS(I)::B(H)
- P(h);SBLOCK,XS(I)::QAR(A)
- S(j);N_GUARD::S(I)
- R(i);N_GUARD::S(J)
- S(j);N_GUARD::S(I),XS(j)
- S(k);SBLOCK::B(H)
- S(k);N_GUARD::B(H),XS(k)
- Refutation
- B(b);XP(B)
- Try
- R(C);
- Vars
- B(b);OGATE,XP(B)::QAB(A),XR(a)
- S(k);N_GUARD,XS(I)::B(H)
- S(j);N_GUARD::S(I)
- R(i);N_GUARD::S(J)
- S(j);N_GUARD::S(I),XS(j)
- S(k);SBLOCK::B(H)
- S(k);N_GUARD::B(H),XS(k)
- Refutation
- P(h);XS(I)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(j);N_GUARD::S(I)
- Refutation
- K(e);S_FLIGHT,XS(I)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(j);N_GUARD::S(I)
- Refutation
- K(e);S_FLIGHT,XS(I)
- Try
- Q(A);
- Threat
- QAB(A)
- Vars
- S(j);N_GUARD::S(I)
- Refutation
- K(e);S_FLIGHT,XS(I)
- Try
- Q(A);
- Vars
- S(j);N_GUARD::S(I)
- R(i);N_GUARD::S(J)
- S(j);N_GUARD::S(I),XS(j)
- S(k);SBLOCK::B(H)
- S(k);N_GUARD::B(H),XS(k)
- Refutation
- B(b);XP(B)
- Try
- P(F);
- Vars
- B(b);OGATE,XP(B)::QAB(A),XR(a)
- S(k);N_GUARD,XS(I)::B(H)
- S(j);N_GUARD::S(I)
- R(i);N_GUARD::S(J)
- S(j);N_GUARD::S(I),XS(j)
- S(k);SBLOCK::B(H)
- S(k);N_GUARD::B(H),XS(k)
- Refutation
- P(h);XS(I)
- Try
- Actual
- Q(A);
- Threat
- B(H)
- Vars
- K(e);S_FLIGHT,XS(I)::B(H)
- S(j);N_GUARD,XQ(A)::S(I)
- S(k);N_GUARD,SBLOCK,XS(I)::B(H)
- S(j);N_GUARD::S(I)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).