MESON Chess Problem Database
Problem Display
PID: 121139 (3R4/1N1b4/B3Pp1Q/K2n1P2/2Pk1n2/2p3N1/4PP2/BR6 w - - 0 1)
Baird, Edith Elina Helen (Mrs WJ)
Source?, 0000
#2
13 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ba4
- 2.Qxf4#
- 2.Qxf6#
- 1...Bb5
- 2.Qxf4#
- 1...Bc6
- 2.Qxf4#
- 2.Qxf6#
- 1...Bxe6
- 2.Qxf4#
- 2.Qxf6#
- 1...Bc8
- 2.Qxf4#
- 2.Qxf6#
- 1...Be8
- 2.Qxf4#
- 2.Qxf6#
- 1...Se3
- 2.Qxf4#
- 2.Qxf6#
- 1...Sb4
- 2.Qxf4#
- 2.Qxf6#
- 1...Sb6
- 2.Qxf4#
- 2.Qxf6#
- 1...Sc7
- 2.Qxf4#
- 2.Qxf6#
- 1...Se7
- 2.Qxf4#
- 2.Qxf6#
- 1...Ba4
- Tries
- 1.Bxc3+?
- 1...Sxc3
- 2.Qxf6#
- 1...Kxc3!
- 1...Sxc3
- 1.Rxd7?
- threat
- 2.Qxf4#
- 2.Qxf6#
- 1...Sxe2
- 2.Rxd5#
- 2.Qe3#
- 1...Sxe6
- 2.Rxd5#
- 2.Qe3#
- 2.Qxf6#
- 1...Sg2
- 2.Rxd5#
- 2.Qxf6#
- 1...Sd3
- 2.Rxd5#
- 2.Qe3#
- 1...Sh3
- 2.Rxd5#
- 2.Qe3#
- 2.Qxf6#
- 1...Sh5
- 2.Rxd5#
- 2.Qe3#
- 1...Sg6
- 2.Rxd5#
- 2.Qe3#
- 1...Ke5!
- threat
- 1.Qh1?
- threat
- 2.Qe4#
- 1...Ke5
- 2.Qe4#
- 1...Sg2!
- threat
- 1.Qh4?
- 1...Bxe6
- 2.Qxf6#
- 2.Qxf4#
- 1...Bb5
- 2.Qxf4#
- 1...Ba4
- 2.Rxd5#
- 2.Qxf6#
- 2.Qxf4#
- 1...Bc6
- 2.Qxf6#
- 2.Qxf4#
- 1...Bc8
- 2.Rxd5#
- 2.Qxf6#
- 2.Qxf4#
- 1...Be8
- 2.Rxd5#
- 2.Qxf6#
- 2.Qxf4#
- 1...Se3
- 2.Qxf6#
- 2.Qxf4#
- 1...Sb4
- 2.Qxf6#
- 2.Qxf4#
- 1...Sb6
- 2.Qxf6#
- 2.Qxf4#
- 1...Sc7
- 2.Qxf6#
- 2.Qxf4#
- 1...Se7
- 2.Qxf6#
- 2.Qxf4#
- 1...Ke5!
- 1...Bxe6
- 1.Bxc3+?
- Keys
- 1.Rb5!
- 1...Kxc4
- 2.Rb4#
- 1...Ke5
- 2.Bxc3#
- 1...Bxb5
- 2.Qxf4#
- 1...Bxe6
- 2.Qxf4#
- 1...Sxe2
- 2.Rxd5#
- 1...Sxe6
- 2.Rxd5#
- 1...Bc6
- 2.Qxf4#
- 1...Bc8
- 2.Qxf4#
- 1...Be8
- 2.Qxf4#
- 1...Sg2
- 2.Rxd5#
- 1...Sd3
- 2.Rxd5#
- 1...Sh3
- 2.Rxd5#
- 1...Sh5
- 2.Rxd5#
- 1...Sg6
- 2.Rxd5#
- 1...Se3
- 2.Qxf4#
- 1...Sb4
- 2.Qxf4#
- 1...Sb6
- 2.Qxf4#
- 1...Sc7
- 2.Qxf4#
- 1...Se7
- 2.Qxf4#
- 1...Kxc4
- 1.Rb5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 18
- REMOVED MATES = 0
- Sets
- B(f);P_SPINS(d)::QAR2(K),XS(c)
- Tries
- Try
- B(A);CHECK,XP(a)
- Vars
- S(d);P_SPINB(f),SBLOCK,XB(A)::QAB(K),XP(e)
- Refutation
- K(b);S_FLIGHT,XB(A)
- Try
- R(M);P_PINS(d),XB(f)
- Threat
- DUALS(2)
- Refutation
- K(b);N_SPINS(d),S_FLIGHT
- Try
- Q(K);
- Threat
- QAR1(K)
- Vars
- K(b);S_FLIGHT::QAR1(K)
- Refutation
- S(c);
- Try
- Q(K);P_PINS(c)
- Vars
- B(f);S_CUTS(d)::QAR2(K),XS(c)
- Refutation
- K(b);N_SPINS(c),S_FLIGHT
- Try
- Actual
- R(B);
- Vars
- K(b);N_SPINP(a),OGATEB,P-FLIGHT,XP(F)::B(I)+R(B),DCHECK
- K(b);P_SPINS(d),S_FLIGHT::B(A),XP(a)
- B(f);P_SPINS(d),XR(B)::QAR2(K),XS(c)
- B(f);P_SPINS(d),XP(J)::QAR2(K),XS(c)
- S(c);N_GUARD,XP(C)::R1(B),XS(d)
- S(c);N_GUARD,XP(J)::R1(B),XS(d)
- B(f);P_SPINS(d)::QAR2(K),XS(c)
- S(c);N_GUARD::R1(B),XS(d)
- S(d);N_GUARD,P_SPINB(f)::QAR2(K),XS(c)
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).