MESON Chess Problem Database
Problem Display
PID: 223188 (nQ1n4/2r4B/1p5R/1R1Pk2P/2p2N2/4P3/3p4/3K4 w - - 0 1)
Barrier, ?
Baltimore American and Commercial Advertiser, 1885
#2
9 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sc6
- 2.Re6#
- 2.dxc6#
- 2.d6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...c3
- 2.Sd3#
- 1...Sc6
- Tries
- 1.Kxd2?
- 1...Se6
- 2.Rxe6#
- 1...Sc6
- 2.Re6#
- 2.dxc6#
- 2.d6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...c3+!
- 1...Se6
- 1.Se2?
- 1...Se6
- 2.Rxe6#
- 1...Sc6
- 2.Re6#
- 2.dxc6#
- 2.d6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...c3!
- 1...Se6
- 1.Sg2?
- 1...Se6
- 2.Rxe6#
- 1...Sc6
- 2.Re6#
- 2.dxc6#
- 2.d6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...c3!
- 1...Se6
- 1.Sh3?
- 1...Se6
- 2.Rxe6#
- 1...Sc6
- 2.Re6#
- 2.dxc6#
- 2.d6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...c3!
- 1...Se6
- 1.Bb1?
- 1...Se6
- 2.Rxe6#
- 1...Sc6
- 2.Re6#
- 2.dxc6#
- 2.d6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...c3!
- 1...Se6
- 1.Bc2?
- 1...Se6
- 2.Rxe6#
- 1...Sc6
- 2.Re6#
- 2.dxc6#
- 2.d6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...c3!
- 1...Se6
- 1.Rb4?
- 1...Se6
- 2.Rxe6#
- 1...c3
- 2.Re4#
- 1...Sc6
- 2.Re6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...b5!
- 1...Se6
- 1.Rbxb6?
- 1...Sxb6
- 2.Qxc7#
- 1...Sc6
- 2.Re6#
- 1...Se6
- 2.Rbxe6#
- 2.Rhxe6#
- 1...Sb7
- 2.Rbe6#
- 2.Rhe6#
- 1...Sf7
- 2.Rbe6#
- 2.Rhe6#
- 1...c3!
- 1...Sxb6
- 1.Rc6?
- 1...Se6
- 2.Rxe6#
- 1...c3
- 2.Sd3#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...Sxc6!
- 1...Se6
- 1.Qa7?
- 1...Rxa7
- 2.d6#
- 1...Se6
- 2.Rxe6#
- 1...c3
- 2.Sd3#
- 1...Rc5
- 2.Qg7#
- 1...Rc6
- 2.dxc6#
- 1...Rb7
- 2.d6#
- 1...Rd7
- 2.d6#
- 1...Re7
- 2.d6#
- 1...Rf7
- 2.d6#
- 1...Rg7
- 2.Qxg7#
- 2.d6#
- 1...Rc8
- 2.Qg7#
- 1...Sc6
- 2.Re6#
- 2.dxc6#
- 2.d6#
- 1...Sb7
- 2.Re6#
- 1...Sf7
- 2.Re6#
- 1...Rxh7!
- 1...Rxa7
- 1.Qxd8?
- threat
- 2.Re6#
- 2.Qg5#
- 2.Qf6#
- 2.Qd6#
- 1...Rc6
- 2.Qg5#
- 2.dxc6#
- 1...Rd7
- 2.Re6#
- 2.Qg5#
- 2.Qf6#
- 2.d6#
- 1...Re7
- 2.Qxe7#
- 2.Qd6#
- 2.d6#
- 1...Rf7
- 2.Re6#
- 2.Qd6#
- 2.d6#
- 1...Rg7
- 2.Re6#
- 2.Qf6#
- 2.Qd6#
- 2.d6#
- 1...Rxh7!
- threat
- 1.Kxd2?
- Keys
- 1.Qb7!
- 1...Rxb7
- 2.d6#
- 1...Rxh7
- 2.d6#
- 1...Sxb7
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...c3
- 2.Sd3#
- 1...Rc5
- 2.Qg7#
- 1...Rc6
- 2.dxc6#
- 1...Rd7
- 2.d6#
- 1...Re7
- 2.d6#
- 1...Rf7
- 2.d6#
- 1...Rg7
- 2.Qxg7#
- 2.d6#
- 1...Rc8
- 2.Qg7#
- 1...Sc6
- 2.Re6#
- 2.dxc6#
- 2.d6#
- 1...Sf7
- 2.Re6#
- 1...Rxb7
- 1.Qb7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- S(g);N_GUARD::R1(G),XS(g)
- S(g);N_GUARD::R1(G)
- P(b);N_GUARD::S(C)
- Tries
- Try
- K(A);P-FLIGHT,XP(a)
- Vars
- S(g);N_GUARD::R1(G),XS(g)
- S(g);N_GUARD::R1(G)
- Refutation
- P(b);CHECK
- Try
- S(C);
- Vars
- S(g);N_GUARD::R1(G),XS(g)
- S(g);N_GUARD::R1(G)
- Refutation
- P(b);
- Try
- S(C);
- Vars
- S(g);N_GUARD::R1(G),XS(g)
- S(g);N_GUARD::R1(G)
- Refutation
- P(b);
- Try
- S(C);
- Vars
- S(g);N_GUARD::R1(G),XS(g)
- S(g);N_GUARD::R1(G)
- Refutation
- P(b);
- Try
- B(H);
- Vars
- S(g);N_GUARD::R1(G),XS(g)
- S(g);N_GUARD::R1(G)
- Refutation
- P(b);
- Try
- B(H);
- Vars
- S(g);N_GUARD::R1(G),XS(g)
- S(g);N_GUARD::R1(G)
- Refutation
- P(b);
- Try
- R(D);
- Vars
- S(g);N_GUARD::R1(G),XS(g)
- P(b);OGATE::R1(D)
- S(g);N_GUARD::R1(G)
- Refutation
- P(d);
- Try
- R(D);XP(d)
- Vars
- S(f);N_GUARD,XR(D)::QAB(I),XR(e)
- S(g);N_GUARD::R1(G)
- Refutation
- P(b);
- Try
- R(G);
- Vars
- S(g);N_GUARD::R1(G),XS(g)
- P(b);N_GUARD::S(C)
- S(g);N_GUARD::R1(G)
- Refutation
- S(g);XR(G)
- Try
- Q(I);N_PINR(e)
- Vars
- R(e);N_GUARD,XQ(I)::R(D)+P(E)
- S(g);N_GUARD::R1(G),XS(g)
- P(b);N_GUARD::S(C)
- R(e);OGATE::QAB(I)
- R(e);OGATE::R(D)+P(E),XR(e)
- R(e);N_GUARD::R(D)+P(E)
- S(g);N_GUARD::R1(G)
- Refutation
- R(e);XB(H)
- Try
- Q(I);N_PINR(e),XS(g)
- Threat
- DUALS(4)
- Refutation
- R(e);XB(H)
- Try
- Actual
- Q(I);N_PINR(e)
- Vars
- R(e);N_GUARD,XQ(I)::R(D)+P(E)
- R(e);N_GUARD,XB(H)::R(D)+P(E)
- S(g);N_GUARD,XQ(I)::R1(G)
- S(g);N_GUARD::R1(G),XS(g)
- P(b);N_GUARD::S(C)
- R(e);OGATE::QAB(I)
- R(e);OGATE::R(D)+P(E),XR(e)
- R(e);N_GUARD::R(D)+P(E)
- S(g);N_GUARD::R1(G)
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).