MESON Chess Problem Database
Problem Display
PID: 227422 (B4b2/5p2/1Q3P2/1PpPkNR1/4p1R1/K3p2r/8/3N2B1 w - - 0 1)
Colaneri, Bruno
Best Problems, 2020
#2
11 + 7
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Bxh2#
- 1...Bd6
- 2.Qxd6#
- 1...Bh6
- 2.Qd6#
- 1...Bg7
- 2.Qd6#
- 1...e2+
- 2.Sg3#
- 1...c4+
- 2.Se7#
- 1...Rh2
- Tries
- 1.Sc3?
- threat
- 2.Rxe4#
- 1...c4+
- 2.Se7#
- 1...Bd6
- 2.Qxd6#
- 1...Rh4!
- threat
- 1.Bh2+?
- 1...Rg3
- 2.Bxg3#
- 1...Rxh2!
- 1...Rg3
- 1.Qc7+?
- 1...Bd6
- 2.Qxd6#
- 1...Kxf6!
- 1...Bd6
- 1.Qb8+?
- 1...Bd6
- 2.Qxd6#
- 1...Kxf6!
- 1...Bd6
- 1.Sc3?
- Keys
- 1.Sb2!
- threat
- 2.Sc4#
- 1...e2+
- 2.Sg3#
- 1...c4+
- 2.Se7#
- 1...Bd6
- 2.Qxd6#
- threat
- 1.Sb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 3
- Sets
- R(b);N_GUARD::B(B),XR(b)
- B(g);N_GUARD::QAB1(I),XB(g)
- B(g);N_GUARD::QAB1(I)
- P(a);CHECK::R(H)+S(G)
- P(d);CHECK::R(H)+S(G)
- Tries
- Try
- S(A);
- Threat
- R1(D),XP(c)
- Vars
- P(d);CHECK::R(H)+S(G)
- B(g);N_GUARD::QAB1(I),XB(g)
- Refutation
- R(b);
- Try
- B(B);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::B(B),XR(b)
- Refutation
- R(b);XB(B)
- Try
- Q(I);CHECK
- Vars
- B(g);N_GUARD,P_SPINB(g)::QAB1(I),XB(g)
- Refutation
- K(e);S_FLIGHT,XP(J)
- Try
- Q(I);CHECK
- Vars
- B(g);N_GUARD,P_SPINB(g)::QAB1(I),XB(g)
- Refutation
- K(e);S_FLIGHT,XP(J)
- Try
- Actual
- S(A);
- Threat
- S(A)
- Vars
- P(a);CHECK::R(H)+S(G)
- P(d);CHECK::R(H)+S(G)
- B(g);N_GUARD::QAB1(I),XB(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).