MESON Chess Problem Database
Problem Display
PID: 64899 (2rN4/3BR1p1/2p5/Rnrk4/1Q2N3/1n5K/2P2b2/8 w - - 0 1)
Westbury, Eric Ernest
Chess Amateur (The), 1917
#2
8 + 8
| 3391 | Het Half Pin Thema | 1924 |
| 56 | The Problemist | 2006 |
SOLUTION
- SOUND
- Sets
- 1...Rc3+
- 2.Sxc3#
- 1...Rc4
- 2.Qd6#
- 1...S3d4
- 2.Qxc5#
- 1...S5d4
- 2.c4#
- 1...Sd6
- 2.Sc3#
- 1...Sc7
- 2.Bxc6#
- 1...Rc3+
- Tries
- 1.Qxb3+?
- 1...Kd4
- 2.Qd3#
- 1...Rc4!
- 1...Kd4
- 1.c4+?
- 1...Rxc4
- 2.Qd6#
- 1...Kd4!
- 1...Rxc4
- 1.Qxb3+?
- Keys
- 1.Be8!
- threat
- 2.Bf7#
- 1...Rc3+
- 2.Sxc3#
- 1...Rc4
- 2.Qd6#
- 1...S3d4
- 2.Qxc5#
- 1...S5d4
- 2.c4#
- 1...Sd6
- 2.Sc3#
- 1...Sc7
- 2.Bxc6#
- threat
- 1.Be8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);CHECK,N_GUARD,P_SPINS(c)::S(D),XR(d)
- R(d);OGATE,P_SPINS(c),SBLOCK::QAR1(C)
- S(b);N_GUARD,S_CUTB(a)::QAR1(C),XR(d)
- S(c);P_SPINR(d),SBLOCK::P(A)
- S(c);N_GUARD,P_SPINR(d),SBLOCK::S(D)
- S(c);P_SPINR(d),S_CUTR(h)::B(F),XP(f)
- Tries
- Try
- Q(C);CHECK,XS(b)
- Vars
- K(e);P-FLIGHT::QAR1(C)
- Refutation
- R(d);P_SPINR(d),P_SPINS(c)
- Try
- P(A);CHECK
- Vars
- R(d);OGATE,P_SPINS(c),SBLOCK,XP(A)::QAR1(C)
- Refutation
- K(e);P-FLIGHT
- Try
- Actual
- B(F);
- Threat
- B(F)
- Vars
- R(d);CHECK,N_GUARD,P_SPINS(c)::S(D),XR(d)
- R(d);OGATE,P_SPINS(c),SBLOCK::QAR1(C)
- S(b);N_GUARD,S_CUTB(a)::QAR1(C),XR(d)
- S(c);P_SPINR(d),SBLOCK::P(A)
- S(c);N_GUARD,P_SPINR(d),SBLOCK::S(D)
- S(c);P_SPINR(d),S_CUTR(h)::B(F),XP(f)
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).