MESON Chess Problem Database
Problem Display
PID: 268889 (R7/5K2/4P1B1/1N2k3/2P4p/p2n1Qb1/3Nr3/2B2r2 w - - 0 1)
Colaneri, Bruno
Problemas, 2020
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Rxc1
- 2.Qf5#
- 2.Qf6#
- 1...Rd1
- 2.Qf5#
- 2.Qf6#
- 1...Rfe1
- 2.Qf5#
- 2.Qf6#
- 1...Rg1
- 2.Qf5#
- 2.Qf6#
- 1...Rh1
- 2.Qf5#
- 2.Qf6#
- 1...Rxf3+
- 2.Sxf3#
- 1...Bf2
- 2.Qf5#
- 2.Qf6#
- 1...Bf4
- 2.Qd5#
- 1...Sf2
- 2.Qf5#
- 2.Qf6#
- 1...Sf4
- 2.Qc3#
- 1...Rxc1
- Tries
- 1.Sxf1?
- threat
- 2.Qxe2#
- 2.Qd5#
- 2.Qh5#
- 2.Qf5#
- 2.Qf6#
- 1...Sxc1
- 2.Qf5#
- 2.Qf6#
- 1...Re1
- 2.Qd5#
- 2.Qh5#
- 2.Qf5#
- 2.Qf6#
- 1...Ra2
- 2.Qe4#
- 2.Qd5#
- 2.Qh5#
- 2.Qe3#
- 2.Qf5#
- 2.Qf6#
- 1...Rb2
- 2.Qe4#
- 2.Qd5#
- 2.Qh5#
- 2.Qe3#
- 2.Qf5#
- 2.Qf6#
- 1...Rc2
- 2.Qe4#
- 2.Qd5#
- 2.Qh5#
- 2.Qe3#
- 2.Qf5#
- 2.Qf6#
- 1...Rd2
- 2.Qe4#
- 2.Qe3#
- 2.Qf5#
- 2.Qf6#
- 1...Rg2
- 2.Qe4#
- 2.Qd5#
- 2.Qh5#
- 2.Qe3#
- 2.Qf5#
- 2.Qf6#
- 1...Rh2
- 2.Qe4#
- 2.Qd5#
- 2.Qh5#
- 2.Qe3#
- 2.Qf5#
- 2.Qf6#
- 1...Re3
- 2.Qxe3#
- 2.Qf5#
- 2.Qf6#
- 1...Re4
- 2.Qxe4#
- 2.Qh5#
- 2.Qf5#
- 2.Qf6#
- 1...Bf2
- 2.Qd5#
- 2.Qh5#
- 2.Qf5#
- 2.Qf6#
- 1...Bf4
- 2.Qd5#
- 1...Sf2
- 2.Qd5#
- 2.Qh5#
- 2.Qc3#
- 2.Qf5#
- 2.Qf6#
- 1...Sb4
- 2.Qxe2#
- 2.Qh5#
- 2.Qc3#
- 2.Qf5#
- 2.Qf6#
- 1...Sf4
- 2.Qc3#
- 1...Sc5
- 2.Qd5#
- 2.Qh5#
- 2.Qc3#
- 2.Qf5#
- 2.Qf6#
- 1...Rf2!
- threat
- 1.Bxa3?
- threat
- 2.Bd6#
- 1...Sb4
- 2.Bb2#
- 1...Sc5
- 2.Bb2#
- 1...Rxf3+!
- threat
- 1.Rd8?
- threat
- 2.Rd5#
- 1...Rxf3+
- 2.Sxf3#
- 1...Sf4
- 2.Qc3#
- 1...Sb4!
- threat
- 1.Qxf1?
- threat
- 2.Sf3#
- 2.Qf5#
- 2.Qf6#
- 1...Rxd2
- 2.Qf5#
- 2.Qf6#
- 1...Sxc1
- 2.Qf5#
- 2.Qf6#
- 1...Bf2
- 2.Sf3#
- 1...Sf2
- 2.Sf3#
- 1...Re3
- 2.Qf5#
- 2.Qf6#
- 1...Bf4
- 2.Sf3#
- 1...Se1
- 2.Qf5#
- 2.Qf6#
- 1...Sf4
- 2.Sf3#
- 1...Rf2+!
- threat
- 1.e7?
- threat
- 2.e8Q#
- 2.e8R#
- 1...Rxf3+
- 2.Sxf3#
- 1...Rxc1
- 2.Qf5#
- 2.Qf6#
- 2.e8Q#
- 2.e8R#
- 1...Rxd2
- 2.e8Q#
- 2.e8R#
- 1...Sxc1
- 2.e8Q#
- 2.e8R#
- 1...Rff2
- 2.e8Q#
- 2.e8R#
- 1...Rd1
- 2.Qf5#
- 2.Qf6#
- 2.e8Q#
- 2.e8R#
- 1...Rfe1
- 2.Qf5#
- 2.Qf6#
- 2.e8Q#
- 2.e8R#
- 1...Rg1
- 2.Qf5#
- 2.Qf6#
- 2.e8Q#
- 2.e8R#
- 1...Rh1
- 2.Qf5#
- 2.Qf6#
- 2.e8Q#
- 2.e8R#
- 1...Ree1
- 2.e8Q#
- 2.e8R#
- 1...Ref2
- 2.e8Q#
- 2.e8R#
- 1...Rg2
- 2.e8Q#
- 2.e8R#
- 1...Rh2
- 2.e8Q#
- 2.e8R#
- 1...Re3
- 2.e8Q#
- 2.e8R#
- 1...Re4
- 2.e8Q#
- 2.e8R#
- 1...Be1
- 2.e8Q#
- 2.e8R#
- 1...Bf2
- 2.Qf5#
- 2.Qf6#
- 2.e8Q#
- 2.e8R#
- 1...Bh2
- 2.e8Q#
- 2.e8R#
- 1...Bf4
- 2.Qd5#
- 2.e8Q#
- 2.e8R#
- 1...Se1
- 2.e8Q#
- 2.e8R#
- 1...Sb2
- 2.e8Q#
- 2.e8R#
- 1...Sf2
- 2.Qf5#
- 2.Qf6#
- 2.e8Q#
- 2.e8R#
- 1...Sb4
- 2.e8Q#
- 2.e8R#
- 1...Sf4
- 2.Qc3#
- 1...a2
- 2.e8Q#
- 2.e8R#
- 1...h3
- 2.e8Q#
- 2.e8R#
- 1...Sc5!
- threat
- 1.Sxf1?
- Keys
- 1.Rh8!
- threat
- 2.Rh5#
- 1...Rxf3+
- 2.Sxf3#
- 1...Bf4
- 2.Qd5#
- 1...Sf4
- 2.Qc3#
- threat
- 1.Rh8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(a);CHECK,XQ(C)::S(B),XR(a)
- B(e);N_PINQ(C),SBLOCK::QAR1(C)
- S(d);N_PINQ(C),SBLOCK::QAB(C)
- Tries
- Try
- S(B);N_SPINQ(C),XR(a)
- Threat
- DUALS(5)
- Vars
- B(e);::QAR1(C)
- S(d);OGATE::QAB(C)
- Refutation
- R(b);P_PINQ(C)
- Try
- B(A);XP(c)
- Threat
- B(A)
- Vars
- S(d);N_GUARD::B(A)
- Refutation
- R(a);CHECK,XQ(C)
- Try
- R(I);
- Threat
- R1(I)
- Vars
- R(a);CHECK,XQ(C)::S(B),XR(a)
- S(d);N_PINQ(C),SBLOCK::QAB(C)
- Refutation
- S(d);
- Try
- Q(C);N_SPINQ(C),XR(a)
- Threat
- DUALS(3)
- Vars
- B(e);::S(B)
- S(d);::S(B)
- Refutation
- R(b);CHECK
- Try
- P(F);
- Threat
- P=Q
- Vars
- R(a);CHECK,XQ(C)::S(B),XR(a)
- R(b);XS(B)::P=Q
- S(d);XB(A)::P=Q
- R(a);::P=Q
- R(b);::P=Q
- B(e);::P=Q
- S(d);::P=Q
- S(d);N_PINQ(C),SBLOCK::QAB(C)
- P(c);::P=Q
- P(f);::P=Q
- Refutation
- S(d);
- Try
- Actual
- R(I);
- Threat
- R(I)
- Vars
- R(a);CHECK,XQ(C)::S(B),XR(a)
- B(e);N_PINQ(C),SBLOCK::QAR1(C)
- S(d);N_PINQ(C),SBLOCK::QAB(C)
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).