MESON Chess Problem Database
Problem Display
PID: 174991 (2b5/1p1p1QnB/1P6/p3k3/P2pN3/6rn/1P1B3N/1K2R3 w - - 0 1)
Prideaux, Henry Maxwell
San Francisco Chronicle, 1901
#2
10 + 9
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Sf3#
- 1...Rg2
- 2.Sf3#
- 1...Ra3
- 2.Sg4#
- 1...Rb3
- 2.Sg4#
- 1...Rc3
- 2.Sg4#
- 1...Rd3
- 2.Sg4#
- 1...Re3
- 2.Sg4#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 1...Rg4
- 2.Sf3#
- 2.Sxg4#
- 1...Rg5
- 2.Sf3#
- 1...Rg6
- 2.Sf3#
- 1...Sg1
- 2.Bf4#
- 1...Sf2
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sg5
- 2.Bf4#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se6
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...d3
- 2.Bc3#
- 1...d5
- 2.Qf6#
- 1...d6
- 2.Sxg3#
- 1...Rg1
- Tries
- 1.Ka1?
- 1...Se6
- 2.Qf5#
- 1...d3
- 2.Bc3#
- 1...Rg1
- 2.Sf3#
- 1...Rg2
- 2.Sf3#
- 1...Rb3
- 2.Sg4#
- 1...Rc3
- 2.Sg4#
- 1...Rd3
- 2.Sg4#
- 1...Re3
- 2.Sg4#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 1...Rg4
- 2.Sf3#
- 2.Sxg4#
- 1...Rg5
- 2.Sf3#
- 1...Rg6
- 2.Sf3#
- 1...Sg1
- 2.Bf4#
- 1...Sf2
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sg5
- 2.Bf4#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...d5
- 2.Qf6#
- 1...d6
- 2.Sxg3#
- 1...Ra3+!
- 1...Se6
- 1.Kc1?
- 1...Se6
- 2.Qf5#
- 1...d3
- 2.Bc3#
- 1...Rg1
- 2.Sf3#
- 1...Rg2
- 2.Sf3#
- 1...Ra3
- 2.Sg4#
- 1...Rb3
- 2.Sg4#
- 1...Rd3
- 2.Sg4#
- 1...Re3
- 2.Sg4#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 1...Rg4
- 2.Sf3#
- 2.Sxg4#
- 1...Rg5
- 2.Sf3#
- 1...Rg6
- 2.Sf3#
- 1...Sg1
- 2.Bf4#
- 1...Sf2
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sg5
- 2.Bf4#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...d5
- 2.Qf6#
- 1...d6
- 2.Sxg3#
- 1...Rc3+!
- 1...Se6
- 1.Ka2?
- 1...Se6
- 2.Qf5#
- 1...d3
- 2.Bc3#
- 1...Rg1
- 2.Sf3#
- 1...Rg2
- 2.Sf3#
- 1...Rb3
- 2.Sg4#
- 1...Rc3
- 2.Sg4#
- 1...Rd3
- 2.Sg4#
- 1...Re3
- 2.Sg4#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 1...Rg4
- 2.Sf3#
- 2.Sxg4#
- 1...Rg5
- 2.Sf3#
- 1...Rg6
- 2.Sf3#
- 1...Sg1
- 2.Bf4#
- 1...Sf2
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sg5
- 2.Bf4#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...d5
- 2.Qf6#
- 1...d6
- 2.Sxg3#
- 1...Ra3+!
- 1...Se6
- 1.Sc3+?
- 1...Kd6
- 2.Qd5#
- 1...Re3!
- 1...Kd6
- 1.Sd6+?
- 1...Re3
- 2.Sc4#
- 1...Kxd6!
- 1...Re3
- 1.Sf6+?
- 1...Kd6
- 2.Qd5#
- 1...Re3!
- 1...Kd6
- 1.Bc1?
- 1...Se6
- 2.Qf5#
- 1...Re3
- 2.Sg4#
- 1...Rg1
- 2.Sf3#
- 1...Rg2
- 2.Sf3#
- 1...Ra3
- 2.Sg4#
- 1...Rb3
- 2.Sg4#
- 1...Rc3
- 2.Sg4#
- 1...Rd3
- 2.Sg4#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 1...Rg4
- 2.Sf3#
- 2.Sxg4#
- 1...Rg5
- 2.Sf3#
- 1...Rg6
- 2.Sf3#
- 1...Sg1
- 2.Bf4#
- 1...Sf2
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sg5
- 2.Bf4#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...d5
- 2.Qf6#
- 1...d6
- 2.Sxg3#
- 1...d3!
- 1...Se6
- 1.Bb4?
- threat
- 2.Sxg3#
- 2.Bd6#
- 1...Sf5
- 2.Qxf5#
- 1...Se6
- 2.Qf5#
- 1...d3
- 2.Bc3#
- 1...Re3
- 2.Sg4#
- 2.Bd6#
- 1...Rg1
- 2.Sf3#
- 2.Bd6#
- 1...Rg2
- 2.Sf3#
- 2.Sf2#
- 2.Bd6#
- 1...Ra3
- 2.Sg4#
- 2.Sc3#
- 2.Bd6#
- 1...Rb3
- 2.Sg4#
- 2.Sc3#
- 2.Bd6#
- 1...Rc3
- 2.Sg4#
- 2.Sxc3#
- 2.Bd6#
- 1...Rd3
- 2.Sg4#
- 2.Bd6#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 2.Bd6#
- 1...Rg4
- 2.Sf3#
- 2.Sxg4#
- 2.Bd6#
- 1...Rg5
- 2.Sf3#
- 2.Sd2#
- 2.Sf2#
- 2.Sc3#
- 2.Sg3#
- 2.Sxg5#
- 2.Sd6#
- 2.Bd6#
- 1...Rg6
- 2.Sf3#
- 2.Sd2#
- 2.Sf2#
- 2.Sc3#
- 2.Sg3#
- 2.Sg5#
- 2.Sd6#
- 1...Sg1
- 2.Bd6#
- 1...Sf2
- 2.Bd6#
- 1...Sf4
- 2.Bd6#
- 1...Sg5
- 2.Bd6#
- 1...Se8
- 2.Sxg3#
- 2.Qf5#
- 1...d6
- 2.Sxg3#
- 2.Bxd6#
- 1...axb4!
- threat
- 1.Bh6?
- 1...Se6
- 2.Qf5#
- 1...Re3
- 2.Sg4#
- 2.Bxg7#
- 1...Rg1
- 2.Sf3#
- 1...Rg2
- 2.Sf3#
- 1...Ra3
- 2.Sg4#
- 2.Bxg7#
- 1...Rb3
- 2.Sg4#
- 2.Bxg7#
- 1...Rc3
- 2.Sg4#
- 2.Bxg7#
- 1...Rd3
- 2.Sg4#
- 2.Bxg7#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 1...Rg4
- 2.Sf3#
- 2.Sxg4#
- 1...Rg5
- 2.Sf3#
- 1...Rg6
- 2.Sf3#
- 1...Sg1
- 2.Bf4#
- 1...Sf2
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sg5
- 2.Bxg7#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...d5
- 2.Qf6#
- 1...d6
- 2.Sxg3#
- 1...d3!
- 1...Se6
- 1.Re2?
- 1...Se6
- 2.Qf5#
- 1...d3
- 2.Bc3#
- 1...Re3
- 2.Sg4#
- 1...Rg2
- 2.Sf3#
- 1...Ra3
- 2.Sg4#
- 1...Rb3
- 2.Sg4#
- 1...Rc3
- 2.Sg4#
- 1...Rd3
- 2.Sg4#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 1...Rg4
- 2.Sf3#
- 2.Sxg4#
- 1...Rg5
- 2.Sf3#
- 1...Rg6
- 2.Sf3#
- 1...Sg1
- 2.Bf4#
- 1...Sf2
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sg5
- 2.Bf4#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...d5
- 2.Qf6#
- 1...d6
- 2.Sxg3#
- 1...Rg1+!
- 1...Se6
- 1.Qe7+?
- 1...Se6
- 2.Qd6#
- 1...Kd5!
- 1...Se6
- 1.b3?
- 1...Se6
- 2.Qf5#
- 1...d3
- 2.Bc3#
- 1...Re3
- 2.Sg4#
- 1...Rg1
- 2.Sf3#
- 1...Rg2
- 2.Sf3#
- 1...Rc3
- 2.Sg4#
- 1...Rd3
- 2.Sg4#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 1...Rg4
- 2.Sf3#
- 2.Sxg4#
- 1...Rg5
- 2.Sf3#
- 1...Rg6
- 2.Sf3#
- 1...Sg1
- 2.Bf4#
- 1...Sf2
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sg5
- 2.Bf4#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...d5
- 2.Qf6#
- 1...d6
- 2.Sxg3#
- 1...Rxb3+!
- 1...Se6
- 1.Ka1?
- Keys
- 1.Bg6!
- 1...Rxg6
- 2.Sf3#
- 1...Se6
- 2.Qf5#
- 1...d3
- 2.Bc3#
- 1...Re3
- 2.Sg4#
- 1...Rg1
- 2.Sf3#
- 1...Rg2
- 2.Sf3#
- 1...Ra3
- 2.Sg4#
- 1...Rb3
- 2.Sg4#
- 1...Rc3
- 2.Sg4#
- 1...Rd3
- 2.Sg4#
- 1...Rf3
- 2.Sxf3#
- 2.Sg4#
- 1...Rg4
- 2.Sf3#
- 2.Sxg4#
- 1...Rg5
- 2.Sf3#
- 1...Sg1
- 2.Bf4#
- 1...Sf2
- 2.Bf4#
- 1...Sf4
- 2.Bxf4#
- 1...Sg5
- 2.Bf4#
- 1...Sf5
- 2.Qxf5#
- 1...Sh5
- 2.Qf5#
- 1...Se8
- 2.Qf5#
- 1...d5
- 2.Qf6#
- 1...d6
- 2.Sxg3#
- 1...Rxg6
- 1.Bg6!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD,P_PINR(B)::S(E)
- R(a);N_GUARD::S(E)
- R(a);N_GUARD,P_PINP(C)::S(E)
- S(b);N_GUARD::B(D)
- S(b);N_GUARD::B(D),XS(b)
- S(h);N_GUARD::QAR1(I),XS(h)
- S(h);N_GUARD::QAR1(I)
- P(c);OGATEB::B(D)
- P(g);SBLOCK::QAB1(I)
- P(g);SBLOCK::R(B)+S(G),XR(a)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(h);N_GUARD::QAR1(I)
- P(c);OGATEB::B(D)
- R(a);N_GUARD,P_PINR(B)::S(E)
- R(a);N_GUARD::S(E)
- S(b);N_GUARD::B(D)
- S(b);N_GUARD::B(D),XS(b)
- S(h);N_GUARD::QAR1(I),XS(h)
- P(g);SBLOCK::QAB1(I)
- P(g);SBLOCK::R(B)+S(G),XR(a)
- Refutation
- R(a);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- S(h);N_GUARD::QAR1(I)
- P(c);OGATEB::B(D)
- R(a);N_GUARD,P_PINR(B)::S(E)
- R(a);N_GUARD::S(E)
- S(b);N_GUARD::B(D)
- S(b);N_GUARD::B(D),XS(b)
- S(h);N_GUARD::QAR1(I),XS(h)
- P(g);SBLOCK::QAB1(I)
- P(g);SBLOCK::R(B)+S(G),XR(a)
- Refutation
- R(a);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- S(h);N_GUARD::QAR1(I)
- P(c);OGATEB::B(D)
- R(a);N_GUARD::S(E)
- S(b);N_GUARD::B(D)
- S(b);N_GUARD::B(D),XS(b)
- S(h);N_GUARD::QAR1(I),XS(h)
- P(g);SBLOCK::QAB1(I)
- P(g);SBLOCK::R(B)+S(G),XR(a)
- Refutation
- R(a);CHECK
- Try
- S(G);CHECK
- Vars
- K(e);S_FLIGHT::QAR1(I)
- Refutation
- R(a);P_SPINR(a)
- Try
- S(G);CHECK
- Vars
- R(a);P_SPINR(a)::S(G)
- Refutation
- K(e);S_FLIGHT,XS(G)
- Try
- S(G);CHECK
- Vars
- K(e);S_FLIGHT::QAR1(I)
- Refutation
- R(a);P_SPINR(a)
- Try
- B(D);
- Vars
- S(h);N_GUARD::QAR1(I)
- R(a);N_GUARD::S(E)
- R(a);N_GUARD,P_PINP(C)::S(E)
- S(b);N_GUARD::B(D)
- S(b);N_GUARD::B(D),XS(b)
- S(h);N_GUARD::QAR1(I),XS(h)
- P(g);SBLOCK::QAB1(I)
- P(g);SBLOCK::R(B)+S(G),XR(a)
- Refutation
- P(c);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- S(h);N_GUARD::QAR1(I),XS(h)
- S(h);N_GUARD::QAR1(I)
- P(c);OGATEB::B(D)
- S(b);::B(D)
- Refutation
- P(d);XB(D)
- Try
- B(D);
- Vars
- S(h);N_GUARD::QAR1(I)
- R(a);N_GUARD,P_PINR(B)::S(E)
- R(a);N_GUARD::S(E)
- S(b);N_GUARD::B(D)
- S(b);N_GUARD::B(D),XS(b)
- S(b);S_CUTR(a)::B(D),XS(h)
- S(h);N_GUARD::QAR1(I),XS(h)
- P(g);SBLOCK::QAB1(I)
- P(g);SBLOCK::R(B)+S(G),XR(a)
- Refutation
- P(c);
- Try
- R(B);
- Vars
- S(h);N_GUARD::QAR1(I)
- P(c);OGATEB::B(D)
- R(a);N_GUARD::S(E)
- R(a);N_GUARD,P_PINP(C)::S(E)
- S(b);N_GUARD::B(D)
- S(b);N_GUARD::B(D),XS(b)
- S(h);N_GUARD::QAR1(I),XS(h)
- P(g);SBLOCK::QAB1(I)
- P(g);SBLOCK::R(B)+S(G),XR(a)
- Refutation
- R(a);CHECK
- Try
- Q(I);CHECK
- Vars
- S(h);P_SPINS(h)::QAB1(I)
- Refutation
- K(e);P-FLIGHT
- Try
- P(C);
- Vars
- S(h);N_GUARD::QAR1(I)
- P(c);OGATEB::B(D)
- R(a);N_GUARD::S(E)
- R(a);N_GUARD,P_PINR(B)::S(E)
- S(b);N_GUARD::B(D)
- S(b);N_GUARD::B(D),XS(b)
- S(h);N_GUARD::QAR1(I),XS(h)
- P(g);SBLOCK::QAB1(I)
- P(g);SBLOCK::R(B)+S(G),XR(a)
- Refutation
- R(a);CHECK,XP(C)
- Try
- Actual
- B(J);
- Vars
- R(a);N_GUARD,XB(J)::S(E)
- S(h);N_GUARD::QAR1(I)
- P(c);OGATEB::B(D)
- R(a);N_GUARD::S(E)
- R(a);N_GUARD,P_PINR(B)::S(E)
- R(a);N_GUARD,P_PINP(C)::S(E)
- S(b);N_GUARD::B(D)
- S(b);N_GUARD::B(D),XS(b)
- S(h);N_GUARD::QAR1(I),XS(h)
- P(g);SBLOCK::QAB1(I)
- P(g);SBLOCK::R(B)+S(G),XR(a)
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).