MESON Chess Problem Database
Problem Display
PID: 158264 (1b4KQ/8/4p1pp/p5r1/B2NP1R1/N1pk4/3pp1R1/3b2B1 w - - 0 1)
Tinebra, Vincenzo
Best Problems, 2009
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Rb5
- 2.Bxb5#
- 1...Re5
- 2.R2g3#
- 1...Bc2
- 2.Bxc2#
- 1...Bg3
- 2.R2xg3#
- 1...Be5
- 2.Bb5#
- 1...Ba7
- 2.R2g3#
- 1...e5
- 2.Bb5#
- 2.R2g3#
- 1...Rb5
- Tries
- 1.Sxe2?
- threat
- 2.Qxc3#
- 2.Qd4#
- 1...Rxg4
- 2.Qd4#
- 1...Bxe2
- 2.Bc2#
- 2.Qd4#
- 1...Bf4
- 2.Qd4#
- 1...Rc5
- 2.Qd4#
- 1...Rd5
- 2.Qxc3#
- 1...Be5
- 2.Bb5#
- 1...Ba7
- 2.Qxc3#
- 1...c2
- 2.Qc3#
- 2.Qd4#
- 1...e5
- 2.Bb5#
- 1...Re5!
- threat
- 1.Sdb5?
- threat
- 2.Qxc3#
- 2.Qd4#
- 1...Rxg4
- 2.Qd4#
- 1...Rxb5
- 2.Bxb5#
- 2.Qd4#
- 1...Bf4
- 2.Qd4#
- 1...Rd5
- 2.Qxc3#
- 1...Rc5
- 2.Qd4#
- 1...Re5
- 2.R2g3#
- 1...Ba7
- 2.Qxc3#
- 1...c2
- 2.Qc3#
- 2.Qd4#
- 1...e5
- 2.R2g3#
- 1...Be5!
- threat
- 1.Sf5?
- threat
- 2.Bb5#
- 2.Qd4#
- 1...Rxg4
- 2.Qd4#
- 1...Rxf5
- 2.Qd4#
- 1...Bxa4
- 2.Qd4#
- 1...Bf4
- 2.Qd4#
- 1...Bb3
- 2.Qd4#
- 1...Be5
- 2.Bb5#
- 1...Ba7
- 2.Bb5#
- 1...e5
- 2.Bb5#
- 2.R2g3#
- 1...gxf5+!
- threat
- 1.Rxe2?
- threat
- 2.Re3#
- 1...Bxe2
- 2.Bc2#
- 1...Re5
- 2.Rg3#
- 1...Be5
- 2.Bb5#
- 1...e5
- 2.Bb5#
- 1...Bf4!
- threat
- 1.Sxe2?
- Keys
- 1.Qe5!
- threat
- 2.Bb5#
- 2.R2g3#
- 1...Rxg4
- 2.Bb5#
- 1...Rxe5
- 2.R2g3#
- 1...Bxa4
- 2.R2g3#
- 1...Bxe5
- 2.Bb5#
- 1...c2
- 2.R2g3#
- 1...e1Q
- 2.Bb5#
- 1...e1S
- 2.Bb5#
- 1...e1B
- 2.Bb5#
- 1...e1R
- 2.Bb5#
- 1...Rf5
- 2.Bb5#
- 1...Bb3
- 2.R2g3#
- threat
- 1.Qe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 4
- Sets
- R(g);N_GUARD::B(D),XR(g)
- R(g);S_CUTB(k)::R(B)
- B(a);N_GUARD::B(D),XB(a)
- B(k);N_GUARD::R(B),XB(k)
- B(k);S_CUTR(g)::B(D)
- B(k);N_GUARD::R(B)
- Tries
- Try
- S(E);XP(c)
- Threat
- DUALS(2)
- Vars
- R(g);XR(G)::QAR1(I)
- B(k);::QAR1(I)
- R(g);::QAR1(I)
- R(g);::QAR1(I),XP(d)
- B(k);S_CUTR(g)::B(D)
- B(k);::QAR1(I),XP(d)
- P(h);S_CUTR(g)::B(D)
- Refutation
- R(g);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(g);XR(G)::QAR1(I)
- B(k);::QAR1(I)
- R(g);::QAR1(I),XP(d)
- R(g);::QAR1(I)
- R(g);S_CUTB(k)::R(B)
- B(k);::QAR1(I),XP(d)
- P(h);S_CUTB(k)::R(B)
- Refutation
- B(k);
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- R(g);XR(G)::QAR1(I)
- R(g);XS(E)::QAR1(I)
- B(a);XB(D)::QAR1(I)
- B(k);::QAR1(I)
- B(a);::QAR1(I)
- B(k);::B(D)
- Refutation
- P(i);CHECK,XS(E)
- Try
- R(B);XP(c)
- Threat
- R1(B)
- Vars
- B(a);N_GUARD,XR(B)::B(D)
- R(g);N_GUARD,S_CUTB(k)::R(G)
- B(k);S_CUTR(g)::B(D)
- P(h);S_CUTR(g)::B(D)
- Refutation
- B(k);
- Try
- Actual
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(g);XR(G)::B(D)
- R(g);XQ(I)::R(B)
- B(a);XB(D)::R(B)
- B(k);XQ(I)::B(D)
- P(d);::R(B)
- P(c);::B(D)
- R(g);::B(D)
- B(a);::R(B)
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).