MESON Chess Problem Database
Problem Display
PID: 232597 (Q7/B5p1/q5p1/br2p1P1/1n2N1N1/3PPkpP/1P1R1pr1/3K1Bn1 w - - 0 1)
Heyl, Peter
Freie Presse, 2008
#2
12 + 12
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rb7
- 2.Sxe5#
- 1...Rb8
- 2.Sxe5#
- 1...Bb6
- 2.Qf8#
- 1...Se2
- 2.Bxe2#
- 1...Sxh3
- 2.Be2#
- 1...Sd5
- 2.Sxe5#
- 1...Sc6
- 2.Qf8#
- 1...Rb7
- Tries
- 1.Sd6+?
- 1...Qc6
- 2.Qf8#
- 1...Rd5
- 2.Sxe5#
- 2.Qf8#
- 1...Rb7
- 2.Sxe5#
- 1...Sd5
- 2.Sxe5#
- 1...Sc6
- 2.Qf8#
- 1...e4
- 2.Qxe4#
- 1...Qb7!
- 1...Qc6
- 1.Re2?
- threat
- 2.Sd2#
- 1...Sd5
- 2.Sxe5#
- 1...Sc6
- 2.Qf8#
- 1...Sxh3!
- threat
- 1.Rxf2+?
- 1...Rxf2
- 2.Sd2#
- 1...gxf2!
- 1...Rxf2
- 1.Sd6+?
- Keys
- 1.Rc2!
- threat
- 2.Sd2#
- 1...Sxh3
- 2.Be2#
- 1...Sd5
- 2.Sxe5#
- 1...Sc6
- 2.Qf8#
- threat
- 1.Rc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(h);N_GUARD::S(I),XP(i)
- B(g);S_CUTQ(j)::QAR(L)
- S(a);N_GUARD::B(B),XS(a)
- S(a);N_GUARD,XP(G)::B(B)
- S(f);S_CUTR(h)::S(I),XP(i)
- S(f);S_CUTQ(j)::QAR(L)
- Tries
- Try
- S(H);CHECK
- Vars
- Q(j);P_SPINQ(j)::QAR(L)
- R(h);P_SPINR(h)::S(I),XP(i)
- S(f);P_SPINS(f)::S(I),XP(i)
- S(f);P_SPINS(f)::QAR(L)
- P(i);P_SPINP(i)::QAB1(L),XP(i)
- Refutation
- Q(j);P_SPINQ(j)
- Try
- R(D);
- Threat
- QAB(L)+S(H),DCHECK
- Vars
- S(f);S_CUTR(h)::S(I),XP(i)
- S(f);S_CUTQ(j)::QAR(L)
- Refutation
- S(a);XP(G)
- Try
- R(D);CHECK,XP(b)
- Vars
- R(c);XR(D)::QAB(L)+S(H),DCHECK
- Refutation
- P(e);XR(D)
- Try
- Actual
- R(D);
- Threat
- QAB(L)+S(H),DCHECK
- Vars
- S(a);N_GUARD,XP(G)::B(B)
- S(f);S_CUTR(h)::S(I),XP(i)
- S(f);S_CUTQ(j)::QAR(L)
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).