MESON Chess Problem Database
Problem Display
PID: 254375 (8/p2N1p2/nrn1RPp1/1Ppk4/3p4/B2P3Q/3N2K1/8 w - - 0 1)
Lopez, Jose Antonio
Problemas, 2021
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...c4
- 2.Rd6#
- 2.dxc4#
- 1...c4
- Tries
- 1.Se4?
- threat
- 2.Rd6#
- 1...Scb4
- 2.Re5#
- 1...Sa5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Scb8
- 2.Re5#
- 1...Sd8
- 2.Re5#
- 1...fxe6!
- threat
- 1.Sf8?
- threat
- 2.Qf3#
- 1...fxe6
- 2.Qxe6#
- 1...Se5!
- threat
- 1.Bxc5?
- threat
- 2.Rd6#
- 1...fxe6
- 2.Qf3#
- 1...Scb4
- 2.Re5#
- 1...Sa5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Scb8
- 2.Re5#
- 1...Sd8
- 2.Re5#
- 1...Sxc5!
- threat
- 1.Qf5+?
- 1...Se5
- 2.Qxe5#
- 1...gxf5!
- 1...Se5
- 1.Se4?
- Keys
- 1.Sc4!
- threat
- 2.Rd6#
- 1...fxe6
- 2.Qf3#
- 1...Scb4
- 2.Re5#
- 1...Sa5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Scb8
- 2.Re5#
- 1...Sd8
- 2.Re5#
- threat
- 1.Sc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(A);
- Threat
- R1(G)
- Vars
- S(f);N_GUARD::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
- Refutation
- P(i);XR(G)
- Try
- S(I);
- Threat
- QAB(E)
- Vars
- P(i);OGATE,XR(G)::QAB1(E),XP(i)
- Refutation
- S(f);
- Try
- B(C);XP(b)
- Threat
- R1(G)
- Vars
- P(i);SBLOCK,XR(G)::QAB(E)
- S(f);N_GUARD::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
- Refutation
- S(d);XB(C)
- Try
- Q(E);CHECK
- Vars
- S(f);N_GUARD,P_SPINS(f)::QAR1(E),XS(f)
- Refutation
- P(g);XQ(E)
- Try
- Actual
- S(A);
- Threat
- R1(G)
- Vars
- P(i);SBLOCK,XR(G)::QAB(E)
- S(f);N_GUARD::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
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).