MESON Chess Problem Database
Problem Display
PID: 275223 (4N2B/3pbrrB/1N2p3/4kn1Q/1pR3p1/2P1p3/4P3/5bK1 w - - 0 1)
Velasco, Jose Luis
Peris-120 MT (Problemas), 2024
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...d5
- 2.Sd7#
- 1...d5
- Tries
- 1.Rd4?
- threat
- 2.Sc4#
- 2.Sxd7#
- 1...Bxe2
- 2.Sxd7#
- 1...Bh4
- 2.Sc4#
- 1...Bc5
- 2.Sc4#
- 1...Bg5
- 2.Sc4#
- 1...Bd6
- 2.Sc4#
- 1...Bf6
- 2.Sc4#
- 1...Bd8
- 2.Sc4#
- 1...Bf8
- 2.Sc4#
- 1...d5
- 2.Sd7#
- 1...d6
- 2.Sc4#
- 2.Sd7#
- 1...bxc3!
- threat
- 1.Qh1?
- threat
- 2.Sxd7#
- 2.Re4#
- 2.Qe4#
- 1...Sd4
- 2.Qe4#
- 1...Bh4
- 2.Re4#
- 2.Qe4#
- 1...Bc5
- 2.Re4#
- 2.Qe4#
- 1...Bg5
- 2.Re4#
- 2.Qe4#
- 1...Bd6
- 2.Re4#
- 2.Qe4#
- 1...Bf6
- 2.Re4#
- 2.Qe4#
- 1...Bd8
- 2.Re4#
- 2.Qe4#
- 1...Bf8
- 2.Re4#
- 2.Qe4#
- 1...Sg3
- 2.Sxd7#
- 1...Sd6
- 2.Sxd7#
- 1...d5
- 2.Sd7#
- 1...d6
- 2.Sd7#
- 2.Re4#
- 2.Qe4#
- 1...Bg2!
- threat
- 1.Qh2+?
- 1...Sg3
- 2.Re4#
- 1...g3!
- 1...Sg3
- 1.Rd4?
- Keys
- 1.Qxg4!
- threat
- 2.Re4#
- 1...Bg2
- 2.Qf4#
- 1...Sg3
- 2.Qd4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.Rc5#
- 1...d5
- 2.Sd7#
- threat
- 1.Qxg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- P(h);SBLOCK::S(F)
- Tries
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(a);XP(B)::S(F),XP(h)
- B(i);::S(F)
- B(i);N_SPINS(f)::S(F)
- B(i);N_SPINR(k)::S(F)
- P(h);::S(F)
- Refutation
- P(c);XP(C)
- Try
- Q(E);N_PINS(f)
- Threat
- DUALS(3)
- Vars
- S(f);::QAR1(E)
- S(f);::S(F),XP(h)
- P(h);::S(F)
- Refutation
- B(a);
- Try
- Q(E);CHECK,N_PINS(f)
- Vars
- S(f);P_SPINS(f)::R1(D)
- Refutation
- P(d);P_SPINP(d)
- Try
- Actual
- Q(E);N_PINS(f),P_SPINQ(E),XP(d)
- Threat
- R1(D)
- Vars
- B(a);N_PINQ(E)::QAB1(E)
- S(f);N_PINQ(E)::QAB1(E)
- S(f);OGATE::P(C),XS(f)
- S(f);S_CUTB(i),S_CUTP(h)::R(D)
- P(h);SBLOCK::S(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).