MESON Chess Problem Database
Problem Display
PID: 118003 (1K1R1b2/3NB1pB/1pPQ4/Np1p2p1/3k4/3r4/1PpqrP2/1n2Rn2 w - - 0 1)
Paslack, Rainer
Chess Life & Review, 1989
#2
11 + 13
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Qb4#
- 1...Qe3
- 2.Qb4#
- 1...Qb4
- 2.Qxb4#
- 1...Qd1
- 2.Qb4#
- 1...Rxf2
- 2.Re4#
- 2.Qe5#
- 1...Re4
- 2.Rxe4#
- 1...Re5
- 2.Qxe5#
- 1...Sc3
- 2.Qb4#
- 1...Se3
- 2.Qe5#
- 1...bxa5
- 2.Qc5#
- 1...Qc1
- Tries
- 1.Sc5?
- threat
- 2.Qxd5#
- 1...Re5
- 2.Qxe5#
- 1...Sc3
- 2.Scb3#
- 1...Se3
- 2.Se6#
- 1...Qf4!
- threat
- 1.Bf6+?
- 1...Re5
- 2.Bxe5#
- 2.Re4#
- 2.Qxe5#
- 1...gxf6!
- 1...Re5
- 1.Qf6+?
- 1...Re5
- 2.Qxe5#
- 1...gxf6!
- 1...Re5
- 1.Sc5?
- Keys
- 1.Se5!
- threat
- 2.Qxd5#
- 1...Rxe5
- 2.Qxe5#
- 1...Sc3
- 2.Sb3#
- 1...Se3
- 2.Sf3#
- threat
- 1.Se5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 6
- Sets
- Q(d);N_GUARD::QAR2(F)
- Q(d);N_GUARD::QAR2(F),XQ(d)
- R(e);OGATE::R1(A),XR(e)
- R(e);N_GUARD::QAB1(F),XR(e)
- S(a);S_CUTQ(d)::QAR2(F)
- S(b);S_CUTR(e)::QAB1(F)
- P(k);N_GUARD,XS(D)::QAB1(F)
- Tries
- Try
- S(G);
- Threat
- QAR1(F),XP(i)
- Vars
- R(e);N_GUARD::QAB1(F),XR(e)
- S(a);S_CUTR(f)::S(G)
- S(b);S_CUTR(e)::S(G)
- Refutation
- Q(d);P_PINQ(F)
- Try
- B(H);CHECK
- Refutation
- P(l);XB(H)
- Try
- Q(F);CHECK,N_PINP(i)
- Vars
- R(e);N_GUARD,P_SPINR(e)::QAB1(F),XR(e)
- Refutation
- P(l);XQ(F)
- Try
- Actual
- S(G);
- Threat
- QAR1(F),XP(i)
- Vars
- R(e);OGATE,XS(G)::QAB1(F),XR(e)
- S(a);S_CUTR(f)::S(D)
- S(b);S_CUTR(f)::S(G)
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).