MESON Chess Problem Database
Problem Display
PID: 186790 (8/n4p2/1Pp2R2/p2NkpP1/K1Q1P2r/p1p3P1/Bb6/B7 w - - 0 1)
Sardella, Giuseppe
Best Problems, 2019
#2
10 + 10
SOLUTION
- SOUND
- Sets
- 1...Rf4
- 2.gxf4#
- 1...Bc1
- 2.Bxc3#
- 1...cxd5
- 2.Qxd5#
- 1...Rf4
- Tries
- 1.Sxc3?
- threat
- 2.Qc5#
- 1...Bxc3
- 2.Bxc3#
- 1...c5
- 2.Qd5#
- 2.Qxc5#
- 1...Rxe4!
- threat
- 1.Sb4?
- threat
- 2.Sd3#
- 1...fxe4
- 2.Qc5#
- 1...axb4!
- threat
- 1.Sf4?
- threat
- 2.Sd3#
- 1...fxe4
- 2.Qc5#
- 1...Rxf4!
- threat
- 1.Qxc3+?
- 1...Kxe4
- 2.Qe3#
- 1...Bxc3!
- 1...Kxe4
- 1.Sxc3?
- Keys
- 1.Qc5!
- threat
- 2.Sxc3#
- 1...Rxe4+
- 2.Sb4#
- 1...Kxe4
- 2.Qe3#
- 1...cxd5
- 2.Qxd5#
- 1...c2
- 2.Sc3#
- threat
- 1.Qc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- R(d);OGATE::P(C),XR(d)
- B(a);OGATE,P_SPINP(c)::B(A),XP(c)
- P(h);OGATE,XS(G)::QAR1(E),XP(h)
- Tries
- Try
- S(G);XP(c)
- Threat
- QAR2(E)
- Vars
- B(a);OGATE,P_SPINB(a),XS(G)::B(A),XB(a)
- Refutation
- R(d);P_PINQ(E),XP(F)
- Try
- S(G);
- Threat
- S(G)
- Vars
- P(g);SBLOCK,XP(F)::QAR2(E)
- Refutation
- P(e);XS(G)
- Try
- S(G);
- Threat
- S(G)
- Vars
- P(g);SBLOCK,XP(F)::QAR2(E)
- Refutation
- R(d);XS(G)
- Try
- Q(E);CHECK,P_SPINP(F),XP(c)
- Vars
- K(f);OGATEB,P-FLIGHT,XP(F)::QAR1(E)
- Refutation
- B(a);P_SPINB(a),XQ(E)
- Try
- Actual
- Q(E);P_SPINP(F)
- Threat
- QAR(E)+S(G),XP(c)
- Vars
- R(d);CHECK,SBLOCK,XP(F)::QAR(E)+S(G)
- K(f);OGATEB,P-FLIGHT,XP(F)::QAR1(E)
- P(h);OGATE,P_SPINP(h),XS(G)::QAR1(E),XP(h)
- P(c);P_SPINB(a)::QAR(E)+S(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).