MESON Chess Problem Database
Problem Display
PID: 47484 (2bR1K1B/2rN1P2/2p1BRP1/1p3P2/1P1k1P2/Q4PP1/P2rpb2/4N3 w - - 0 1)
Retter, Yosef
7th HM., Casa-70 JT, 2002
#2
16 + 8
| 56 | The Problemist | 2003 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Sc2#
- 1...Rxa2
- 2.Qd3#
- 1...Rb2
- 2.Qd3#
- 1...Rc2
- 2.Sxc2#
- 2.Qd3#
- 1...Rd3
- 2.Sc2#
- 2.Qxd3#
- 1...Rd1
- Tries
- 1.Se5+?
- 1...Rd7
- 2.Sxc6#
- 1...Bd7!
- 1...Rd7
- 1.Sb8+?
- 1...Rd7
- 2.Sxc6#
- 1...Bd7!
- 1...Rd7
- 1.Bb3?
- threat
- 2.Re6#
- 1...Kc3
- 2.Rxc6#
- 1...Ke3
- 2.Re6#
- 1...Bxe1!
- threat
- 1.Bc4?
- threat
- 2.Rxc6#
- 1...Kxc4
- 2.Se5#
- 1...bxc4
- 2.Rd6#
- 1...Rd3
- 2.Qxd3#
- 1...c5!
- threat
- 1.Qb2+?
- 1...Ke3
- 2.Qe5#
- 1...Rxb2!
- 1...Ke3
- 1.Se5+?
- Keys
- 1.Bd5!
- threat
- 2.Rd6#
- 1...Kxd5
- 2.Sb6#
- 1...cxd5
- 2.Rc6#
- 1...Rd3
- 2.Qxd3#
- threat
- 1.Bd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(a);N_GUARD::S(A)
- R(a);N_GUARD,XP(B)::QAR1(C)
- R(a);N_GUARD::QAR1(C)
- Tries
- Try
- S(L);CHECK
- Vars
- R(g);P_SPINR(g)::S(L),XP(f)
- Refutation
- B(h);P_SPINB(h)
- Try
- S(L);CHECK
- Vars
- R(g);P_SPINR(g)::S(L),XP(f)
- Refutation
- B(h);P_SPINB(h)
- Try
- B(I);
- Threat
- B(P)+R(J)
- Vars
- K(d);S_FLIGHT::B(P)+R(J),DCHECK,XP(f)
- K(d);S_FLIGHT::R(J)
- Refutation
- B(c);XS(A)
- Try
- B(I);
- Threat
- B(P)+R(J),XP(f)
- Vars
- K(d);P-FLIGHT,XB(I)::S(L)
- P(e);SBLOCK,XB(I)::B(P)+R(J),DCHECK
- R(a);N_GUARD::QAR1(C),XR(a)
- Refutation
- P(f);
- Try
- Q(C);CHECK
- Vars
- K(d);OGATE,S_FLIGHT::QAR2(C)
- Refutation
- R(a);XQ(C)
- Try
- Actual
- B(I);
- Threat
- B(P)+R(J)
- Vars
- K(d);P-FLIGHT,XB(I)::R(N)+S(L),DCHECK
- P(f);SBLOCK,XB(I)::B(P)+R(J)
- R(a);N_GUARD::QAR1(C),XR(a)
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).