MESON Chess Problem Database
Problem Display
PID: 68211 (B7/5p2/4nB2/6N1/1pN4r/p1bkp2r/Q3R2p/1KR4n w - - 0 1)
Luke, R
Chess, 1949
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Rxc4
- 2.Qc2#
- 1...Rd4
- 2.Se5#
- 1...Re4
- 2.Bxe4#
- 1...Rh5
- 2.Be4#
- 1...Rh6
- 2.Be4#
- 1...Rh7
- 2.Be4#
- 1...Rh8
- 2.Be4#
- 1...Ba1
- 2.Rd1#
- 2.Qc2#
- 1...Be1
- 2.Qc2#
- 1...Bd4
- 2.Qc2#
- 1...Sg3
- 2.Rxe3#
- 1...Sd4
- 2.Se5#
- 1...Sf4
- 2.Be4#
- 1...b3
- 2.Rxc3#
- 1...Rxc4
- Tries
- 1.Se5+?
- 1...Kd4
- 2.Qc4#
- 2.Qd5#
- 1...Bxe5!
- 1...Kd4
- 1.Bxc3?
- threat
- 2.Se5#
- 1...Rxc4
- 2.Qc2#
- 1...bxc3
- 2.Rd1#
- 1...Re4
- 2.Bxe4#
- 1...f6!
- threat
- 1.Se5+?
- Keys
- 1.Ree1!
- threat
- 2.Qe2#
- 1...Bxe1
- 2.Qc2#
- 1...Bxf6
- 2.Red1#
- 1...Be5
- 2.Red1#
- 1...Bb2
- 2.Rcd1#
- 1...Bd2
- 2.Qc2#
- 1...Sg3
- 2.Rxe3#
- 1...Sd4
- 2.Se5#
- 1...Sf4
- 2.Be4#
- 1...e2
- 2.Qxe2#
- threat
- 1.Ree1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 9
- Sets
- R(i);SBLOCK,XS(E)::QAB1(C)
- R(i);SBLOCK,S_CUTB(d)::S(E)
- R(i);N_GUARD::B(H),XR(i)
- R(i);N_GUARD::B(H)
- B(d);::QAB1(C)
- S(a);S_CUTR(g)::R1(D),XP(f)
- S(j);SBLOCK,S_CUTB(d)::S(E)
- S(j);S_CUTR(i)::B(H)
- P(h);N_GUARD::R1(B),XB(d)
- Tries
- Try
- S(E);CHECK
- Refutation
- B(d);XS(E)
- Try
- B(G);XB(d)
- Threat
- S(E)
- Vars
- R(i);SBLOCK,XS(E)::QAB1(C)
- P(h);SBLOCK,XB(G)::R(B)
- R(i);N_GUARD::B(H),XR(i)
- Refutation
- P(k);
- Try
- Actual
- R(D);
- Threat
- QAB1(C)
- Vars
- B(d);XR(D)::QAB1(C)
- B(d);N_GUARD,XB(G)::R(D)
- B(d);N_GUARD::R(D)
- B(d);N_GUARD::R(B)
- B(d);::QAB1(C)
- S(a);S_CUTR(g)::R1(D),XP(f)
- S(j);SBLOCK,S_CUTB(d)::S(E)
- S(j);S_CUTR(i)::B(H)
- P(f);::QAB1(C),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).