MESON Chess Problem Database
Problem Display
PID: 258935 (7N/r2pp2p/pQnkb2R/N2p2n1/1p1B2P1/1K6/7p/7B w - - 0 1)
Baird, Edith Elina Helen (Mrs WJ)
Western Morning News, 1922
(First published on Sat May 27 1922)
#2
8 + 12
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rb7
- 2.Sxb7#
- 1...Rc7
- 2.Qc5#
- 1...Ra8
- 2.Sb7#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Se4
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Rb7
- Tries
- 1.Ka2?
- 1...Rb7
- 2.Sxb7#
- 1...Rc7
- 2.Qc5#
- 1...Ra8
- 2.Sb7#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Se4
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...b3+!
- 1...Rb7
- 1.Kb2?
- 1...Rb7
- 2.Sxb7#
- 1...Rc7
- 2.Qc5#
- 1...Ra8
- 2.Sb7#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Se4
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...b3!
- 1...Rb7
- 1.Kc2?
- 1...Rb7
- 2.Sxb7#
- 1...Rc7
- 2.Qc5#
- 1...Ra8
- 2.Sb7#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Se4
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...b3+!
- 1...Rb7
- 1.Ka4?
- 1...Rb7
- 2.Sxb7#
- 1...Rc7
- 2.Qc5#
- 1...Ra8
- 2.Sb7#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Se4
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...b3!
- 1...Rb7
- 1.Sxc6?
- threat
- 2.Sxb4#
- 2.Sa5#
- 2.Se5#
- 2.Sxa7#
- 2.Sb8#
- 2.Sd8#
- 2.Bc5#
- 2.Be5#
- 1...Rb7
- 2.Bc5#
- 2.Be5#
- 1...Rc7
- 2.Bc5#
- 2.Be5#
- 2.Qc5#
- 1...Ra8
- 2.Sxb4#
- 2.Sa5#
- 2.Se5#
- 2.Sa7#
- 2.Sb8#
- 2.Sd8#
- 2.Bc5#
- 2.Be5#
- 1...Sf3
- 2.Sxb4#
- 2.Sa5#
- 2.Se5#
- 2.Sxa7#
- 2.Sb8#
- 2.Sd8#
- 2.Sf7#
- 2.Bc5#
- 1...Se4
- 2.Sxb4#
- 2.Sa5#
- 2.Se5#
- 2.Sxa7#
- 2.Sb8#
- 2.Sd8#
- 2.Sf7#
- 2.Be5#
- 1...Sf7
- 2.Sxb4#
- 2.Sa5#
- 2.Se5#
- 2.Sxa7#
- 2.Sb8#
- 2.Sd8#
- 2.Sxf7#
- 2.Bc5#
- 1...a5
- 2.Sxb4#
- 2.Sxa5#
- 2.Se5#
- 2.Sxa7#
- 2.Sb8#
- 2.Sd8#
- 2.Bc5#
- 2.Be5#
- 1...dxc6!
- threat
- 1.Ba1?
- 1...d4+
- 2.Sc4#
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Se4
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Rc7!
- 1...d4+
- 1.Bb2?
- 1...d4+
- 2.Sc4#
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Se4
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Rc7!
- 1...d4+
- 1.Be3?
- threat
- 2.Bf4#
- 1...d4+
- 2.Sc4#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Ke5!
- threat
- 1.Bg7?
- 1...d4+
- 2.Sc4#
- 1...Rb7
- 2.Sxb7#
- 1...Ra8
- 2.Sb7#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Se4
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Rc7!
- 1...d4+
- 1.Rxe6+?
- 1...Sxe6
- 2.Sf7#
- 1...dxe6
- 2.Qxc6#
- 1...Kxe6!
- 1...Sxe6
- 1.Qb8+?
- 1...Rc7
- 2.Sb7#
- 1...Sxb8!
- 1...Rc7
- 1.Ka2?
- Keys
- 1.Bf2!
- threat
- 2.Bg3#
- 1...d4+
- 2.Sc4#
- 1...Ke5
- 2.Bg3#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Se4
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- threat
- 1.Bf2!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- R(i);N_GUARD::S(E),XR(i)
- R(i);SBLOCK::QAB1(F)
- R(i);N_GUARD::S(E)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
- Tries
- Try
- K(B);S_FLIGHT
- Vars
- R(i);N_GUARD::S(E),XR(i)
- R(i);SBLOCK::QAB1(F)
- R(i);N_GUARD::S(E)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
- Refutation
- P(b);CHECK
- Try
- K(B);P-FLIGHT
- Vars
- R(i);N_GUARD::S(E),XR(i)
- R(i);SBLOCK::QAB1(F)
- R(i);N_GUARD::S(E)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
- Refutation
- P(b);
- Try
- K(B);S_FLIGHT
- Vars
- R(i);N_GUARD::S(E),XR(i)
- R(i);SBLOCK::QAB1(F)
- R(i);N_GUARD::S(E)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
- Refutation
- P(b);CHECK
- Try
- K(B);S_FLIGHT
- Vars
- R(i);N_GUARD::S(E),XR(i)
- R(i);SBLOCK::QAB1(F)
- R(i);N_GUARD::S(E)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
- Refutation
- P(b);
- Try
- S(E);XS(f)
- Threat
- DUALS(8)
- Refutation
- P(j);P_SPINP(j),XS(E)
- Try
- B(C);
- Vars
- P(c);CHECK,N_GUARD::S(E)
- R(i);N_GUARD::S(E),XR(i)
- R(i);N_GUARD::S(E)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
- Refutation
- R(i);
- Try
- B(C);
- Vars
- P(c);CHECK,N_GUARD::S(E)
- R(i);N_GUARD::S(E),XR(i)
- R(i);N_GUARD::S(E)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
- Refutation
- R(i);
- Try
- B(C);
- Threat
- B(C)
- Vars
- P(c);CHECK,N_GUARD::S(E)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
- Refutation
- K(g);N_SPINB(h),N_SPINS(f),S_FLIGHT
- Try
- B(C);
- Vars
- P(c);CHECK,N_GUARD::S(E)
- R(i);N_GUARD::S(E),XR(i)
- R(i);N_GUARD::S(E)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
- Refutation
- R(i);
- Try
- R(G);CHECK,XB(h)
- Vars
- S(d);SBLOCK,XR(G)::S(H)
- P(j);SBLOCK,XR(G)::QAR1(F),XS(f)
- Refutation
- K(g);P-FLIGHT,XR(G)
- Try
- Q(F);CHECK,N_PINS(f)
- Vars
- R(i);P_SPINR(i)::S(E)
- Refutation
- S(f);XQ(F)
- Try
- Actual
- B(C);
- Threat
- B(C)
- Vars
- P(c);CHECK,N_GUARD::S(E)
- K(g);N_SPINB(h),N_SPINS(f),S_FLIGHT::B(C)
- S(d);N_GUARD::S(H)
- S(d);N_GUARD::S(H),XS(d)
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).