MESON Chess Problem Database
Problem Display
PID: 202741 (4n2Q/1n2N1r1/4p3/pNp1kpB1/K1R1p3/3P2P1/5P2/8 w - - 0 1)
Baird, Edith Elina Helen (Mrs WJ)
Western Daily Mercury, 1919
(First published on Fri Nov 21 1919)
#2
9 + 9
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Sbd6
- 2.Rxc5#
- 1...Sd8
- 2.Rxc5#
- 1...Sed6
- 2.Qxg7#
- 1...Sf6
- 2.Bf4#
- 1...Sc7
- 2.Qxg7#
- 1...exd3
- 2.f4#
- 1...e3
- 2.f4#
- 1...f4
- 2.Rxe4#
- 2.gxf4#
- 1...Sbd6
- Tries
- 1.Ka3?
- 1...exd3
- 2.f4#
- 1...Sbd6
- 2.Rxc5#
- 1...Sd8
- 2.Rxc5#
- 1...Sed6
- 2.Qxg7#
- 1...Sf6
- 2.Bf4#
- 1...Sc7
- 2.Qxg7#
- 1...e3
- 2.f4#
- 1...f4
- 2.Rxe4#
- 2.gxf4#
- 1...a4!
- 1...exd3
- 1.Kb3?
- 1...exd3
- 2.f4#
- 1...Sbd6
- 2.Rxc5#
- 1...Sd8
- 2.Rxc5#
- 1...Sed6
- 2.Qxg7#
- 1...Sf6
- 2.Bf4#
- 1...Sc7
- 2.Qxg7#
- 1...e3
- 2.f4#
- 1...f4
- 2.Rxe4#
- 2.gxf4#
- 1...a4+!
- 1...exd3
- 1.Bh4?
- 1...exd3
- 2.f4#
- 1...Sbd6
- 2.Rxc5#
- 1...Sd8
- 2.Rxc5#
- 1...Sed6
- 2.Qxg7#
- 1...Sc7
- 2.Qxg7#
- 1...e3
- 2.f4#
- 1...f4
- 2.Rxe4#
- 1...Sf6!
- 1...exd3
- 1.Rc2?
- 1...Sbd6
- 2.Rxc5#
- 1...Sd8
- 2.Rxc5#
- 1...Sed6
- 2.Qxg7#
- 1...Sf6
- 2.Bf4#
- 1...Sc7
- 2.Qxg7#
- 1...e3
- 2.f4#
- 1...c4
- 2.d4#
- 1...f4
- 2.gxf4#
- 1...exd3!
- 1...Sbd6
- 1.Rc3?
- 1...Sbd6
- 2.Rxc5#
- 1...Sd8
- 2.Rxc5#
- 1...Sed6
- 2.Qxg7#
- 1...Sf6
- 2.Bf4#
- 1...Sc7
- 2.Qxg7#
- 1...e3
- 2.f4#
- 1...c4
- 2.d4#
- 1...f4
- 2.gxf4#
- 1...exd3!
- 1...Sbd6
- 1.Rd4?
- threat
- 2.Sc6#
- 2.Sg6#
- 1...Sd8
- 2.Sg6#
- 1...Sf6
- 2.Sc6#
- 2.Bf4#
- 1...f4
- 2.Rxe4#
- 2.gxf4#
- 1...cxd4!
- threat
- 1.Qxg7+?
- 1...Sf6
- 2.Bf4#
- 2.Bxf6#
- 2.Qxf6#
- 1...Sxg7!
- 1...Sf6
- 1.f3?
- threat
- 2.f4#
- 1...f4
- 2.Rxe4#
- 2.gxf4#
- 1...exf3!
- threat
- 1.dxe4?
- threat
- 2.Sc6#
- 2.Sg6#
- 2.f4#
- 1...Sd8
- 2.Sg6#
- 2.f4#
- 1...Sf6
- 2.Sc6#
- 2.Bf4#
- 2.f4#
- 1...f4
- 2.Sc6#
- 2.Sg6#
- 2.gxf4#
- 1...fxe4!
- threat
- 1.g4?
- 1...exd3
- 2.f4#
- 1...fxg4
- 2.Rxe4#
- 1...Sbd6
- 2.Rxc5#
- 1...Sd8
- 2.Rxc5#
- 1...Sed6
- 2.Qxg7#
- 1...Sc7
- 2.Qxg7#
- 1...e3
- 2.f4#
- 1...f4
- 2.Rxe4#
- 1...Sf6!
- 1...exd3
- 1.Ka3?
- Keys
- 1.Rc1!
- 1...exd3
- 2.Re1#
- 1...Sbd6
- 2.Rxc5#
- 1...Sd8
- 2.Rxc5#
- 1...Sed6
- 2.Qxg7#
- 1...Sf6
- 2.Bf4#
- 1...Sc7
- 2.Qxg7#
- 1...e3
- 2.f4#
- 1...c4
- 2.d4#
- 1...f4
- 2.gxf4#
- 1...exd3
- 1.Rc1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(g);N_GUARD::R(E),XP(c)
- S(i);N_GUARD::QAB(I),XR(h)
- S(i);N_SPINR(h),SBLOCK::B(G)
- P(a);N_GUARD,XP(B)::P(A)
- P(a);N_GUARD::P(A)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- P(a);N_GUARD,XP(B)::P(A)
- S(g);N_GUARD::R(E),XP(c)
- S(i);N_GUARD::QAB(I),XR(h)
- S(i);N_SPINR(h),SBLOCK::B(G)
- P(a);N_GUARD::P(A)
- Refutation
- P(b);
- Try
- K(D);S_FLIGHT
- Vars
- P(a);N_GUARD,XP(B)::P(A)
- S(g);N_GUARD::R(E),XP(c)
- S(i);N_GUARD::QAB(I),XR(h)
- S(i);N_SPINR(h),SBLOCK::B(G)
- P(a);N_GUARD::P(A)
- Refutation
- P(b);CHECK
- Try
- B(G);
- Vars
- P(a);N_GUARD,XP(B)::P(A)
- S(g);N_GUARD::R(E),XP(c)
- S(i);N_GUARD::QAB(I),XR(h)
- P(a);N_GUARD::P(A)
- P(e);N_GUARD::R1(E),XP(a)
- Refutation
- S(i);N_SPINR(h)
- Try
- R(E);
- Vars
- S(g);N_GUARD::R(E),XP(c)
- S(i);N_GUARD::QAB(I),XR(h)
- S(i);N_SPINR(h),SBLOCK::B(G)
- P(a);N_GUARD::P(A)
- P(c);N_GUARD::P(B)
- P(e);OGATE::P(C),XP(e)
- Refutation
- P(a);XP(B)
- Try
- R(E);
- Vars
- S(g);N_GUARD::R(E),XP(c)
- S(i);N_GUARD::QAB(I),XR(h)
- S(i);N_SPINR(h),SBLOCK::B(G)
- P(a);N_GUARD::P(A)
- P(c);N_GUARD::P(B)
- P(e);OGATE::P(C),XP(e)
- Refutation
- P(a);XP(B)
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- S(g);::S(H)
- Refutation
- P(c);XR(E)
- Try
- Q(I);CHECK,XR(h)
- Refutation
- S(i);XQ(I)
- Try
- P(A);
- Threat
- P(A)
- Refutation
- P(a);XP(A)
- Try
- P(B);XP(a)
- Threat
- DUALS(3)
- Refutation
- P(e);XP(B)
- Try
- P(C);
- Vars
- P(a);N_GUARD,XP(B)::P(A)
- P(e);N_GUARD,XP(C)::R1(E),XP(a)
- S(g);N_GUARD::R(E),XP(c)
- S(i);N_GUARD::QAB(I),XR(h)
- P(a);N_GUARD::P(A)
- P(e);N_GUARD::R1(E),XP(a)
- Refutation
- S(i);N_SPINR(h)
- Try
- Actual
- R(E);
- Vars
- P(a);OGATEB,XP(B)::R(E)
- S(g);N_GUARD::R(E),XP(c)
- S(i);N_GUARD::QAB(I),XR(h)
- S(i);N_SPINR(h),SBLOCK::B(G)
- P(a);N_GUARD::P(A)
- P(c);N_GUARD::P(B)
- P(e);OGATE::P(C),XP(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).