MESON Chess Problem Database
Problem Display
PID: 30761 (8/3N2p1/1p6/1N1R3Q/1pn1kP2/3p2P1/2nP3p/2K5 w - - 0 1)
Bernard, Henry D'Oyly
Illustrated London News, 1902
#2
8 + 8
| 2638 | White to Play | 1913 |
| 15 | British Chess Magazine | 1918 |
SOLUTION
- SOUND
- Sets
- 1...Sa1
- 2.Rd4#
- 1...Se1
- 2.Rd4#
- 1...S2a3
- 2.Rd4#
- 1...S2e3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sb2
- 2.Sd6#
- 2.Re5#
- 1...Sxd2
- 2.Re5#
- 1...S4a3
- 2.Sd6#
- 2.Re5#
- 1...S4e3
- 2.Sd6#
- 2.Re5#
- 1...Sa5
- 2.Sd6#
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sd6
- 2.Sxd6#
- 2.Re5#
- 1...h1Q+
- 2.Qxh1#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...h1R+
- 2.Qxh1#
- 1...b3
- 2.Sc3#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Sa1
- Tries
- 1.Sd4?
- threat
- 2.Qf3#
- 2.Qf5#
- 1...h1Q+
- 2.Qxh1#
- 1...h1R+
- 2.Qxh1#
- 1...Sxd2
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...g5
- 2.Sf6#
- 2.Qf3#
- 1...h1B
- 2.Qxh1#
- 2.Qf5#
- 1...Se1
- 2.Qf5#
- 1...S2e3
- 2.Qf3#
- 1...S4e3
- 2.Qf3#
- 2.Qe5#
- 1...Sd6
- 2.Qf3#
- 2.Qe5#
- 1...g6
- 2.Sf6#
- 2.Qf3#
- 1...Sxd4!
- threat
- 1.Rc5?
- threat
- 2.Qd5#
- 1...h1Q+
- 2.Qxh1#
- 1...h1R+
- 2.Qxh1#
- 1...Sxd2
- 2.Re5#
- 1...bxc5
- 2.Sxc5#
- 1...S4e3
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...g5
- 2.Sf6#
- 1...S2e3!
- threat
- 1.Sd4?
- Keys
- 1.f5!
- 1...h1Q+
- 2.Qxh1#
- 1...h1R+
- 2.Qxh1#
- 1...Kxd5
- 2.Qf3#
- 1...Sxd2
- 2.Re5#
- 1...h1S
- 2.Qxh1#
- 1...h1B
- 2.Qxh1#
- 1...g6
- 2.Sf6#
- 1...Sa1
- 2.Rd4#
- 1...Se1
- 2.Rd4#
- 1...S2a3
- 2.Rd4#
- 1...S2e3
- 2.Rd4#
- 1...Sd4
- 2.Rxd4#
- 1...Sb2
- 2.Re5#
- 1...S4a3
- 2.Re5#
- 1...S4e3
- 2.Re5#
- 1...Sa5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sd6
- 2.Re5#
- 1...b3
- 2.Sc3#
- 1...g5
- 2.Sf6#
- 1...h1Q+
- 1.f5!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(F)
- S(a);N_GUARD::R1(F),XS(a)
- S(e);N_GUARD,XP(B)::R1(F)
- S(e);N_GUARD::R1(F),XS(e)
- P(b);CHECK,OGATE::QAB(G),XQ(b)
- P(b);OGATE::QAB(G),XS(b)
- P(b);OGATE::QAB(G),XB(b)
- P(b);CHECK,OGATE::QAB(G),XR(b)
- P(d);N_GUARD::S(E)
- P(h);N_GUARD::S(H)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(b);CHECK,OGATE::QAB(G),XQ(b)
- P(b);CHECK,OGATE::QAB(G),XR(b)
- S(e);N_GUARD,XP(B)::QAR1(G)
- S(e);N_GUARD::QAR1(G),XS(e)
- S(a);::QAB1(G)
- Refutation
- S(a);XS(E)
- Try
- R(F);
- Threat
- QAB1(G)
- Vars
- P(b);CHECK,OGATE::QAB(G),XQ(b)
- P(b);CHECK,OGATE::QAB(G),XR(b)
- S(e);N_GUARD,XP(B)::R1(F)
- P(g);XR(F)::S(H),XP(g)
- S(e);N_GUARD::R1(F)
- S(e);N_GUARD::R1(F),XS(e)
- P(h);N_GUARD::S(H)
- Refutation
- S(a);
- Try
- Actual
- P(D);
- Vars
- P(b);CHECK,OGATE::QAB(G),XQ(b)
- P(b);CHECK,OGATE::QAB(G),XR(b)
- K(f);S_FLIGHT,XR(F)::QAB(G)
- S(e);N_GUARD,XP(B)::R1(F)
- P(b);OGATE::QAB(G),XS(b)
- P(b);OGATE::QAB(G),XB(b)
- P(h);N_GUARD::S(H)
- S(a);N_GUARD::R1(F)
- S(a);N_GUARD::R1(F),XS(a)
- S(e);N_GUARD::R1(F)
- S(e);N_GUARD::R1(F),XS(e)
- P(d);N_GUARD::S(E)
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).