MESON Chess Problem Database
Problem Display
PID: 265686 (1rB5/1qQ5/1n1rp3/4B3/1pb1k1K1/4NN2/2PPPP2/4R3 w - - 0 1)
Uris, Miguel
Parcerisa-80 (Problemas), 2022
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Qd5
- 2.Qh7#
- 1...Qa6
- 2.Qh7#
- 1...Qc6
- 2.Qh7#
- 1...Qa8
- 2.Qh7#
- 1...Qxc8
- 2.Qh7#
- 1...Rxd2
- 2.Sxd2#
- 2.Sg5#
- 1...Rd3
- 2.Sg5#
- 1...Rd4
- 2.Sg5#
- 1...Rd5
- 2.Sg5#
- 1...Rc6
- 2.Sg5#
- 1...Rd7
- 2.Sg5#
- 1...Rd8
- 2.Sg5#
- 1...Bd5
- 2.d3#
- 1...Sd5
- 2.Qxc4#
- 1...Qd5
- Tries
- 1.Bxb7+?
- 1...Rd5
- 2.Sg5#
- 2.Qh7#
- 1...Rc6
- 2.Sg5#
- 2.Qh7#
- 1...Bd5
- 2.Qh7#
- 2.d3#
- 1...Sd5
- 2.Qxc4#
- 2.Qh7#
- 1...Rxb7!
- 1...Rd5
- 1.Qxd6?
- threat
- 2.Sg5#
- 2.Qd4#
- 1...Bxe2
- 2.Qd4#
- 1...Qd5
- 2.Sg5#
- 1...Qd7
- 2.Sg5#
- 1...Qe7
- 2.Qd4#
- 1...Bd5
- 2.Sg5#
- 2.d3#
- 1...Sd5
- 2.Sg5#
- 1...Qg7+!
- threat
- 1.Qxc4+?
- 1...Rd4
- 2.Qxd4#
- 2.d3#
- 1...Sxc4!
- 1...Rd4
- 1.Qxb7+?
- 1...Rd5
- 2.Qh7#
- 1...Rc6
- 2.Qh7#
- 1...Bd5
- 2.Qh7#
- 2.d3#
- 1...Sd5
- 2.Qh7#
- 1...Rxb7!
- 1...Rd5
- 1.Qf7?
- threat
- 2.Qg6#
- 2.Qf4#
- 1...Sd5
- 2.Qg6#
- 1...Qxf7!
- threat
- 1.Qg7?
- threat
- 2.Sg5#
- 2.Qg6#
- 1...Bxe2
- 2.Qg6#
- 1...Qe7
- 2.Qg6#
- 1...Qf7
- 2.Sg5#
- 1...Qxg7+!
- threat
- 1.d3+?
- 1...Rxd3
- 2.Sg5#
- 1...Bxd3!
- 1...Rxd3
- 1.d4?
- threat
- 2.Sd2#
- 2.Sg5#
- 1...Rxd4
- 2.Sg5#
- 1...Bxe2!
- threat
- 1.Bxb7+?
- Keys
- 1.Sd5!
- threat
- 2.Sf6#
- 1...Kxd5
- 2.e4#
- 1...Qxd5
- 2.Qh7#
- 1...Rxd5
- 2.Sg5#
- 1...Bxd5
- 2.d3#
- 1...Sxd5
- 2.Qxc4#
- 1...exd5
- 2.Bf5#
- 1...Sd7
- 2.Qxc4#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- Q(g);N_GUARD::QAB(J)
- Q(g);N_GUARD,XB(K)::QAB(J)
- R(e);::S(G)
- B(b);N_GUARD,S_CUTR(e)::P(C)
- S(d);N_GUARD,S_CUTR(e)::QAR2(J),XB(b)
- Tries
- Try
- B(K);CHECK,XQ(g)
- Refutation
- R(h);XB(K)
- Try
- Q(J);XR(e)
- Threat
- DUALS(2)
- Vars
- B(b);P_PINS(G),XP(D)::QAR1(J)
- Q(g);::S(G)
- Q(g);::QAR1(J)
- S(d);::S(G)
- Refutation
- Q(g);CHECK
- Try
- Q(J);CHECK,XB(b)
- Refutation
- S(d);XQ(J)
- Try
- Q(J);CHECK,XQ(g)
- Vars
- R(e);P_SPINR(e)::QAB(J)
- S(d);P_SPINS(d)::QAB(J)
- Refutation
- R(h);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- S(d);::QAB(J)
- Refutation
- Q(g);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- B(b);P_PINS(G),XP(D)::QAB(J)
- Q(g);::QAB(J)
- Q(g);::S(G)
- Refutation
- Q(g);CHECK,XQ(J)
- Try
- P(C);CHECK
- Vars
- R(e);XP(C)::S(G)
- Refutation
- B(b);XP(C)
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- R(e);XP(C)::S(G)
- Refutation
- B(b);P_PINS(G),XP(D)
- Try
- Actual
- S(F);
- Threat
- S(F)
- Vars
- K(c);OGATE,S_FLIGHT,XS(F)::P(D)
- Q(g);N_GUARD,SBLOCK,XS(F)::QAB(J)
- R(e);SBLOCK,XS(F)::S(G)
- B(b);N_GUARD,SBLOCK,XS(F)::P(C)
- S(d);N_GUARD,XS(F)::QAR2(J),XB(b)
- P(f);OGATE,SBLOCK,XS(F)::B(K)
- S(d);N_GUARD::QAR2(J),XB(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).