MESON Chess Problem Database
Problem Display
PID: 46408 (5b1q/6r1/N4R2/p2kpB2/1Bn5/1QP1R2r/4P3/K4N1b w - - 0 1)
Olszewski, Peter
StrateGems, 2003
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Rd3#
- 1...Rxe3
- 2.Sxe3#
- 1...Rf3
- 2.Be4#
- 1...Rh5
- 2.Rd3#
- 1...Rh6
- 2.Rd3#
- 1...Rhh7
- 2.Rd3#
- 1...Rg1
- 2.Sc7#
- 1...Rg2
- 2.Sc7#
- 2.Be4#
- 1...Rg3
- 2.Sc7#
- 1...Rg4
- 2.Sc7#
- 1...Rg5
- 2.Sc7#
- 1...Rg6
- 2.Sc7#
- 1...Rc7
- 2.Sxc7#
- 1...Re7
- 2.Rd6#
- 1...Rg8
- 2.Sc7#
- 1...Bf3
- 2.Rd3#
- 1...Be4
- 2.Bxe4#
- 1...Bd6
- 2.Rxd6#
- 1...Be7
- 2.Sc7#
- 1...Rh2
- Tries
- 1.Bxf8?
- threat
- 2.Rd6#
- 2.Qb5#
- 1...e4
- 2.Qb5#
- 1...Qh6
- 2.Qb5#
- 1...Rh6
- 2.Rd3#
- 2.Qb5#
- 1...Rg6
- 2.Sc7#
- 2.Qb5#
- 2.Qb7#
- 1...Rb7
- 2.Rd6#
- 2.Qxb7#
- 1...Rc7
- 2.Sxc7#
- 2.Rd6#
- 1...Rd7
- 2.Qb5#
- 1...Re7
- 2.Qb5#
- 1...Qxf8!
- threat
- 1.Bd7?
- threat
- 2.Sc7#
- 2.Bc6#
- 1...Rxe3
- 2.Bc6#
- 1...Bxb4
- 2.Bc6#
- 1...axb4
- 2.Bc6#
- 1...e4
- 2.Rf5#
- 1...Bd6
- 2.Rxd6#
- 1...Rxd7!
- threat
- 1.Rf3?
- threat
- 2.Se3#
- 2.e4#
- 1...Rxf3
- 2.e4#
- 1...Bxf3
- 2.Se3#
- 1...Bd6
- 2.Rxd6#
- 1...Qh4
- 2.Se3#
- 1...Qh6
- 2.e4#
- 1...Rh4
- 2.Se3#
- 1...Rg1
- 2.Sc7#
- 2.e4#
- 1...Rg4
- 2.Se3#
- 2.Sc7#
- 1...Bc5
- 2.e4#
- 1...e4!
- threat
- 1.Qa4?
- threat
- 2.Be6#
- 2.Qc6#
- 1...Rxe3
- 2.Qc6#
- 1...Bxb4
- 2.Qc6#
- 1...Sxe3
- 2.Qc6#
- 1...axb4
- 2.Qc6#
- 1...Sd6
- 2.Be6#
- 1...Qg8
- 2.Qc6#
- 1...Rc7
- 2.Sxc7#
- 2.Be6#
- 1...Re7
- 2.Qb5#
- 2.Qc6#
- 1...Bc5
- 2.Qc6#
- 1...Bd6
- 2.Be6#
- 1...e4!
- threat
- 1.Bxf8?
- Keys
- 1.Be7!
- threat
- 2.Sc7#
- 2.Rd6#
- 2.Qb5#
- 2.Qb7#
- 1...Rxe7
- 2.Qb5#
- 1...Bxe7
- 2.Qb7#
- 1...e4
- 2.Qb5#
- 1...Qh6
- 2.Sc7#
- 2.Qb5#
- 2.Qb7#
- 1...Rh6
- 2.Sc7#
- 2.Rd3#
- 2.Qb5#
- 2.Qb7#
- 1...Rg6
- 2.Sc7#
- 2.Qb5#
- 2.Qb7#
- threat
- 1.Be7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 16
- Sets
- R(b);N_GUARD::R(F)
- R(b);XR(F)::S(B),XR(b)
- R(b);S_CUTB(a)::B(H)
- R(g);N_GUARD,P_PINS(B)::S(I)
- R(g);N_GUARD::S(I)
- R(g);N_GUARD::S(I),XR(g)
- R(g);S_CUTB(h)::R1(J)
- B(a);S_CUTR(b)::R(F)
- B(a);N_GUARD::B(H),XB(a)
- B(h);N_GUARD::R1(J),XB(h)
- B(h);S_CUTR(g)::S(I)
- Tries
- Try
- B(G);XB(h)
- Threat
- DUALS(2)
- Vars
- P(f);::QAR2(D)
- Q(i);::QAR2(D)
- R(g);::QAR2(D)
- Refutation
- Q(i);XB(G)
- Try
- B(H);
- Threat
- DUALS(2)
- Vars
- R(b);XR(F)::B(H)
- B(h);XB(G)::B(H)
- P(d);XB(G)::B(H)
- P(f);OGATEB::R(J)
- B(h);N_GUARD::R1(J),XB(h)
- Refutation
- R(g);XB(H)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- R(b);XR(F)::P(C)
- B(a);XR(F)::S(B)
- B(h);N_GUARD::R1(J),XB(h)
- Q(i);::S(B)
- Q(i);::P(C)
- R(b);::S(B)
- B(h);::P(C)
- Refutation
- P(f);
- Try
- Q(D);N_PINS(c)
- Threat
- DUALS(2)
- Vars
- R(b);XR(F)::QAB1(D)
- B(h);XB(G)::QAB1(D)
- S(c);XR(F)::QAB1(D)
- P(d);XB(G)::QAB1(D)
- S(c);::B(H)
- Q(i);::QAB1(D)
- B(h);::QAB1(D)
- B(h);::B(H)
- Refutation
- P(f);
- Try
- Actual
- B(G);
- Threat
- DUALS(4)
- Vars
- R(g);XB(G)::QAR2(D)
- B(h);XB(G)::QAB(D)
- P(f);::QAR2(D)
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).