MESON Chess Problem Database
Problem Display
PID: 103815 (1K6/4Bn1B/3Np3/R3r1p1/n1Pk4/3P2r1/1P6/3NRQ2 w - - 0 1)
van Dooren, Rene
Hlas l'udu, 1992
#2
11 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Qxd3#
- 1...Re4
- 2.Rxe4#
- 1...Rb5+
- 2.Sxb5#
- 1...Rc5
- 2.Re4#
- 1...Rd5
- 2.Re4#
- 1...Rf5
- 2.Re4#
- 1...Sc3
- 2.bxc3#
- 1...Sc5
- 2.Sb5#
- 1...Rxd3
- Tries
- 1.Sf5+?
- 1...Rxf5
- 2.Re4#
- 1...exf5!
- 1...Rxf5
- 1.Bf6?
- threat
- 2.Re4#
- 1...Sxd6
- 2.Bxe5#
- 1...Rg4
- 2.Qf2#
- 1...Sc3
- 2.bxc3#
- 1...Sc5
- 2.Sb5#
- 1...Re3!
- threat
- 1.Rd5+?
- 1...exd5
- 2.Sb5#
- 1...Rxd5!
- 1...exd5
- 1.Qf4+?
- 1...Re4
- 2.Qxe4#
- 1...gxf4!
- 1...Re4
- 1.Sf5+?
- Keys
- 1.Qf6!
- threat
- 2.Sb5#
- 1...Rxd3
- 2.Re4#
- 1...Sxd6
- 2.Qxe5#
- 1...Sc3
- 2.bxc3#
- threat
- 1.Qf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- R(a);OGATE,XP(E)::QAR1(C),XR(a)
- R(d);N_GUARD::R1(B),XR(d)
- R(d);CHECK,N_GUARD::S(H),XR(d)
- R(d);N_GUARD::R1(B)
- S(b);OGATE::P(D),XS(b)
- S(b);S_CUTR(d)::S(H)
- Tries
- Try
- S(H);CHECK
- Vars
- R(d);XS(H)::R1(B)
- Refutation
- P(f);XS(H)
- Try
- B(I);P_PINR(d)
- Threat
- R1(B)
- Vars
- S(g);N_GUARD,XS(H)::B(I),XR(d)
- R(a);N_GUARD::QAB(C)
- S(b);OGATE::P(D),XS(b)
- S(b);SBLOCK::S(H)
- Refutation
- R(a);
- Try
- R(G);CHECK
- Vars
- P(f);XR(G)::S(H)
- Refutation
- R(d);XR(G)
- Try
- Q(C);CHECK
- Vars
- R(d);N_GUARD,P_SPINR(d)::QAR1(C),XR(d)
- Refutation
- P(e);XQ(C)
- Try
- Actual
- Q(C);P_PINR(d)
- Threat
- S(H)
- Vars
- R(a);SBLOCK,XP(E)::R1(B)
- S(g);N_GUARD,XS(H)::QAB1(C),XR(d)
- S(b);OGATE::P(D),XS(b)
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).