MESON Chess Problem Database
Problem Display
PID: 266943 (1q4RB/1N2rP1p/2PQ2n1/r1P5/4k3/1R2NpK1/8/2b2B2 w - - 0 1)
Parcerisa, Jose Antonio Lopez
Zaldo MT (Problemas), 2019
#2
11 + 8
SOLUTION
- SOUND
- Sets
- 1...Qxd6+
- 2.Sxd6#
- 1...Qa7
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...Qxb7
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...Qa8
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...Qc8
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...Qe8
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...Qf8
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...Qxg8
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...Rxc5
- 2.Sxc5#
- 1...Re5
- 2.Qd3#
- 1...Rc7
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...Bxe3
- 2.Bd3#
- 1...Sf4
- 2.Qd4#
- 1...Sh4
- 2.Rg4#
- 1...Se5
- 2.Qd5#
- 1...Sf8
- 2.Rg4#
- 1...Sxh8
- 2.Rg4#
- 1...f2
- 2.Bg2#
- 1...Qxd6+
- Tries
- 1.Rxb8?
- threat
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...Rxc5
- 2.Sxc5#
- 2.Qd3#
- 2.Qd4#
- 1...Bxe3
- 2.Bd3#
- 2.Qd3#
- 1...Sxh8
- 2.Qf4#
- 2.Qd5#
- 1...Ra4
- 2.Qd3#
- 2.Qd5#
- 1...Re5
- 2.Qd3#
- 1...Bb2
- 2.Qd3#
- 2.Qd5#
- 1...Sf4
- 2.Qxf4#
- 2.Qd4#
- 1...Se5
- 2.Qd5#
- 1...Rd7!
- threat
- 1.f8Q?
- threat
- 2.Qxf3#
- 2.Qf5#
- 1...Qxd6+
- 2.Sxd6#
- 1...Qxf8
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 1...Rxc5
- 2.Sxc5#
- 2.Qxf3#
- 1...Bxe3
- 2.Bd3#
- 2.Qxf3#
- 1...Sxf8
- 2.Rg4#
- 1...Qc8
- 2.Qd3#
- 2.Qd4#
- 2.Qd5#
- 2.Qxf3#
- 1...Re5
- 2.Qd3#
- 2.Qxf3#
- 1...Sf4
- 2.Qd4#
- 2.Qfxf4#
- 2.Qf5#
- 1...Sh4
- 2.Rg4#
- 2.Qxe7#
- 2.Qff4#
- 1...Se5
- 2.Qd5#
- 2.Qf4#
- 2.Qf5#
- 1...f2
- 2.Bg2#
- 2.Qf3#
- 2.Qf5#
- 1...Rf7!
- threat
- 1.Rxb8?
- Keys
- 1.Bc4!
- threat
- 2.Bd5#
- 1...Qxd6+
- 2.Sxd6#
- 1...Rxc5
- 2.Sxc5#
- 1...Bxe3
- 2.Bd3#
- 1...Sxh8
- 2.Rg4#
- 1...Re5
- 2.Qd3#
- 1...Sf4
- 2.Qd4#
- 1...Se5
- 2.Qd5#
- threat
- 1.Bc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- Q(h);CHECK,XQ(G)::S(H),XQ(h)
- R(d);XP(E)::S(H),XR(d)
- R(f);N_PINQ(G)::QAB1(G)
- B(a);SBLOCK,XS(C)::B(A)
- S(e);N_PINQ(G)::QAR1(G)
- S(e);OGATE::R(J)
- S(e);N_PINQ(G)::QAB1(G)
- S(e);OGATE,XB(K)::R(J)
- P(b);OGATEB::B(A)
- Tries
- Try
- R(J);N_SPINQ(G),XQ(h)
- Threat
- DUALS(3)
- Vars
- R(f);::QAB1(G)
- S(e);::QAB1(G)
- Refutation
- R(f);
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- Q(h);CHECK,XQ(G)::S(H),XQ(h)
- S(e);OGATE,XQ(I)::R(J)
- Refutation
- R(f);
- Try
- Actual
- B(A);
- Threat
- B(A)
- Vars
- Q(h);CHECK,XQ(G)::S(H),XQ(h)
- R(d);XP(E)::S(H),XR(d)
- B(a);SBLOCK,XS(C)::B(A)
- S(e);OGATE,XB(K)::R(J)
- R(f);N_PINQ(G)::QAB1(G)
- S(e);N_PINQ(G)::QAR1(G)
- S(e);N_PINQ(G)::QAB1(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).