MESON Chess Problem Database
Problem Display
PID: 166390 (2N5/3ppn2/5R2/1Pk1p1Qb/KRBpP1p1/1P6/2p1P3/8 w - - 0 1)
Sardella, Giuseppe
Best Problems, 2017
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Sd6
- 2.Qxe5#
- 1...d3
- 2.Qe3#
- 1...d5
- 2.Rc6#
- 1...Sd6
- Tries
- 1.Bd5?
- threat
- 2.Rc4#
- 1...c1Q
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Sd6!
- threat
- 1.Be6?
- threat
- 2.Rc4#
- 1...c1Q
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Sd6
- 2.Qxe5#
- 1...d5!
- threat
- 1.Bxf7?
- threat
- 2.Rc4#
- 1...c1Q
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...d5
- 2.Rc6#
- 1...Bxf7!
- threat
- 1.Qxe5+?
- 1...d5
- 2.Rc6#
- 2.Qc7#
- 2.Qxd5#
- 1...Sxe5!
- 1...d5
- 1.Bd5?
- Keys
- 1.Bd3!
- threat
- 2.Rc4#
- 1...c1Q
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Sd6
- 2.Qxe5#
- 1...d5
- 2.Rc6#
- threat
- 1.Bd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(i);N_GUARD,S_CUTP(g)::QAR2(H),XP(e)
- P(b);OGATEB::QAB(H)
- P(g);N_GUARD,N_SPINP(e)::R1(I)
- Tries
- Try
- B(E);N_PINP(e)
- Threat
- R1(D)
- Vars
- P(a);OGATEB::QAR(H),XQ(a)
- P(a);OGATEB::QAR(H),XR(a)
- Refutation
- S(i);
- Try
- B(E);
- Threat
- R1(D)
- Vars
- P(a);OGATEB::QAR(H),XQ(a)
- P(a);OGATEB::QAR(H),XR(a)
- S(i);N_GUARD,S_CUTP(g)::QAR2(H),XP(e)
- Refutation
- P(g);N_SPINP(e)
- Try
- B(E);XS(i)
- Threat
- R1(D)
- Vars
- P(a);OGATEB::QAR(H),XQ(a)
- P(a);OGATEB::QAR(H),XR(a)
- P(g);N_GUARD,N_SPINP(e)::R1(I)
- Refutation
- B(f);XB(E)
- Try
- Q(H);CHECK,XP(e)
- Refutation
- S(i);XQ(H)
- Try
- Actual
- B(E);
- Threat
- R1(D)
- Vars
- P(a);OGATEB::QAR(H),XQ(a)
- P(a);OGATEB::QAR(H),XR(a)
- S(i);N_GUARD,S_CUTP(g)::QAR2(H),XP(e)
- P(g);N_GUARD,N_SPINP(e)::R1(I)
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).