MESON Chess Problem Database
Problem Display
PID: 72281 (3r4/1B3R2/5R1B/1N2k3/1N1pn1p1/Q7/1K5b/2n5 w - - 0 1)
Bennett, Frederick
Chess, 1953
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Sc6#
- 1...Bg1
- 2.Bf4#
- 1...Bf4
- 2.Bxf4#
- 1...Sa2
- 2.Sd3#
- 1...Se2
- 2.Sd3#
- 1...Sb3
- 2.Sd3#
- 1...Sd3+
- 2.Sxd3#
- 1...Sg3
- 2.Bf4#
- 1...g3
- 2.Bf4#
- 1...Rd5
- Tries
- 1.Qa2?
- threat
- 2.Sc6#
- 2.Rf5#
- 2.Re6#
- 2.Qe6#
- 1...Sd3+
- 2.Sxd3#
- 1...Sxa2
- 2.Sd3#
- 1...Rd6
- 2.Rf5#
- 1...Rd5
- 2.Sc6#
- 2.Qxd5#
- 1...Rc8
- 2.Rf5#
- 2.Re6#
- 2.Qd5#
- 2.Qe6#
- 1...Re8
- 2.Sc6#
- 2.Rf5#
- 2.Qd5#
- 1...Sb3
- 2.Sd3#
- 1...Sd2
- 2.Rf5#
- 2.Re6#
- 2.Qe6#
- 1...Sf2
- 2.Rf5#
- 2.Re6#
- 2.Qe6#
- 1...Sc3
- 2.Rf5#
- 2.Re6#
- 2.Qe6#
- 1...Sg3
- 2.Bf4#
- 2.Re6#
- 2.Qe6#
- 1...Sc5
- 2.Rf5#
- 1...Sg5
- 2.Rf5#
- 1...Sd6
- 2.Re6#
- 2.Qd5#
- 2.Qe6#
- 1...Sxf6!
- threat
- 1.Qb3?
- threat
- 2.Sc6#
- 2.Rf5#
- 2.Re6#
- 2.Qe6#
- 1...Sd3+
- 2.Sxd3#
- 1...Sxb3
- 2.Sd3#
- 1...Rd6
- 2.Rf5#
- 1...Rd5
- 2.Sc6#
- 2.Qxd5#
- 1...Rc8
- 2.Rf5#
- 2.Re6#
- 2.Qd5#
- 2.Qe6#
- 1...Re8
- 2.Sc6#
- 2.Rf5#
- 2.Qd5#
- 1...Sd2
- 2.Rf5#
- 2.Re6#
- 2.Qe6#
- 1...Sf2
- 2.Rf5#
- 2.Re6#
- 2.Qe6#
- 1...Sc3
- 2.Rf5#
- 2.Re6#
- 2.Qe6#
- 1...Sg3
- 2.Bf4#
- 2.Re6#
- 2.Qe6#
- 1...Sc5
- 2.Rf5#
- 1...Sg5
- 2.Rf5#
- 1...Sd6
- 2.Re6#
- 2.Qd5#
- 2.Qe6#
- 1...Sxf6!
- threat
- 1.Qe3?
- threat
- 2.Qxe4#
- 1...Sd3+
- 2.Sxd3#
- 1...Rd5
- 2.Sc6#
- 1...dxe3!
- threat
- 1.Qf3?
- threat
- 2.Re7#
- 2.Qxe4#
- 2.Qf5#
- 1...Sd3+
- 2.Sxd3#
- 1...Sxf6
- 2.Re7#
- 2.Qxf6#
- 1...Rd6
- 2.Qxe4#
- 2.Qf5#
- 1...Rd5
- 2.Sc6#
- 2.Re7#
- 2.Qf5#
- 1...Rd7
- 2.Qxe4#
- 2.Qf5#
- 1...Re8
- 2.Qxe4#
- 2.Qf5#
- 1...Bf4
- 2.Bxf4#
- 2.Qxe4#
- 2.Qxf4#
- 1...Sd2
- 2.Sc6#
- 2.Re7#
- 2.Qf5#
- 1...Sf2
- 2.Sc6#
- 2.Re7#
- 2.Qf5#
- 1...Sc3
- 2.Sc6#
- 2.Re7#
- 2.Qf5#
- 1...Sg3
- 2.Sc6#
- 2.Bf4#
- 2.Re7#
- 2.Qf4#
- 1...Sc5
- 2.Sc6#
- 2.Qf5#
- 1...Sg5
- 2.Sc6#
- 2.Qf5#
- 1...Sd6
- 2.Sc6#
- 2.Re7#
- 2.Qd5#
- 1...gxf3!
- threat
- 1.Qg3+?
- 1...Sxg3
- 2.Bf4#
- 1...Bxg3!
- 1...Sxg3
- 1.Qa2?
- Keys
- 1.Qd3!
- threat
- 2.Qxe4#
- 1...Sxd3+
- 2.Sxd3#
- 1...Sxf6
- 2.Re7#
- 1...Rd5
- 2.Sc6#
- 1...Sd2
- 2.Qf5#
- 1...Sf2
- 2.Qf5#
- 1...Sc3
- 2.Qf5#
- 1...Sg3
- 2.Bf4#
- 1...Sc5
- 2.Qf5#
- 1...Sg5
- 2.Qf5#
- 1...Sd6
- 2.Qxd4#
- threat
- 1.Qd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 6
- Sets
- R(g);SBLOCK::S(C)
- B(b);N_GUARD::B(F)
- B(b);N_GUARD::B(F),XB(b)
- S(a);N_GUARD::S(C)
- S(a);CHECK,N_GUARD::S(C),XS(a)
- S(d);S_CUTB(b)::B(F)
- P(e);S_CUTB(b)::B(F)
- Tries
- Try
- Q(B);
- Threat
- DUALS(4)
- Vars
- S(a);CHECK,N_GUARD::S(C),XS(a)
- S(a);N_GUARD,XQ(B)::S(C)
- R(g);::R1(E)
- S(a);N_GUARD::S(C)
- S(d);::R1(E)
- Refutation
- S(d);XR(E)
- Try
- Q(B);
- Threat
- DUALS(4)
- Vars
- S(a);CHECK,N_GUARD::S(C),XS(a)
- S(a);N_GUARD,XQ(B)::S(C)
- R(g);::R1(E)
- S(d);::R1(E)
- Refutation
- S(d);XR(E)
- Try
- Q(B);P_PINS(d)
- Threat
- QAR1(B),XS(d)
- Vars
- S(a);CHECK,N_GUARD::S(C),XS(a)
- R(g);SBLOCK::S(C)
- Refutation
- P(c);N_SPINS(d),XQ(B)
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- S(a);CHECK,N_GUARD::S(C),XS(a)
- Refutation
- P(e);XQ(B)
- Try
- Q(B);CHECK
- Vars
- S(d);XQ(B)::B(F)
- Refutation
- B(b);XQ(B)
- Try
- Actual
- Q(B);
- Threat
- QAR1(B),XS(d)
- Vars
- S(a);CHECK,XQ(B)::S(C),XS(a)
- S(d);SBLOCK,XR(E)::R(H)
- R(g);SBLOCK::S(C)
- S(d);OGATE::QAR1(B)
- S(d);S_CUTB(b)::B(F)
- S(d);S_CUTR(g)::QAB1(B),XP(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).