MESON Chess Problem Database
Problem Display
PID: 194147 (8/8/1nnQ3p/R7/N3k3/1p5r/1P4Kp/2BB2bN w - - 0 1)
Scheuermann, P
Bohemia, 1917
#2
8 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rc3
- 2.Sxc3#
- 1...Rd3
- 2.Qf4#
- 1...Rf3
- 2.Bxf3#
- 1...Rg3+
- 2.Sxg3#
- 1...Rh4
- 2.Sg3#
- 2.Sc3#
- 2.Bf3#
- 1...Rh5
- 2.Sg3#
- 2.Sc3#
- 2.Bf3#
- 1...Bf2
- 2.Sxf2#
- 1...Be3
- 2.Sc3#
- 1...Bd4
- 2.Qg6#
- 1...Sxa4
- 2.Qd5#
- 1...Sc4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sd7
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sb4
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sa7
- 2.Re5#
- 1...Se7
- 2.Re5#
- 1...Sb8
- 2.Re5#
- 1...Sd8
- 2.Re5#
- 1...Rc3
- Tries
- 1.Kxh3?
- threat
- 2.Sg3#
- 2.Sc3#
- 1...Sxa4
- 2.Sg3#
- 2.Qd5#
- 1...Sxa5
- 2.Sg3#
- 1...Bd4
- 2.Qg6#
- 1...Bc5
- 2.Sg3#
- 1...Sd5
- 2.Qxd5#
- 1...Se5
- 2.Sg3#
- 2.Rxe5#
- 1...Bf2
- 2.Sxf2#
- 2.Sc3#
- 1...Sd4!
- threat
- 1.Sc5+?
- 1...Kf5
- 2.Qe6#
- 1...Bxc5!
- 1...Kf5
- 1.Bc2+?
- 1...Rd3
- 2.Sg3#
- 2.Sc3#
- 2.Bxd3#
- 2.Qf4#
- 2.Qxd3#
- 1...bxc2!
- 1...Rd3
- 1.Bg4?
- threat
- 2.Bf5#
- 1...Rg3+
- 2.Sxg3#
- 1...Sd5
- 2.Qxd5#
- 1...Sd4
- 2.Sc5#
- 1...Rf3
- 2.Bxf3#
- 1...Rh5
- 2.Sg3#
- 2.Sc3#
- 2.Bf3#
- 1...Bc5
- 2.Sxc5#
- 1...Se5
- 2.Rxe5#
- 1...Se7
- 2.Re5#
- 1...Sxa5!
- threat
- 1.Bh5?
- threat
- 2.Bg6#
- 1...Rg3+
- 2.Sxg3#
- 1...Rxh5
- 2.Sg3#
- 2.Sc3#
- 1...Sd5
- 2.Qxd5#
- 1...Se5
- 2.Rxe5#
- 1...Rf3
- 2.Bxf3#
- 1...Se7
- 2.Re5#
- 1...Sd4!
- threat
- 1.Kxh3?
- Keys
- 1.Rh5!
- 1...Rg3+
- 2.Sxg3#
- 1...Rxh5
- 2.Sg3#
- 1...Sxa4
- 2.Qd5#
- 1...Bd4
- 2.Qg6#
- 1...Sd5
- 2.Qxd5#
- 1...Sd4
- 2.Sc5#
- 1...Rc3
- 2.Sxc3#
- 1...Rd3
- 2.Qf4#
- 1...Re3
- 2.Sc5#
- 1...Rf3
- 2.Bxf3#
- 1...Rh4
- 2.Sg3#
- 2.Sc3#
- 2.Bf3#
- 1...Bf2
- 2.Sxf2#
- 1...Be3
- 2.Sc3#
- 1...Bc5
- 2.Sxc5#
- 1...Sc4
- 2.Qd5#
- 1...Sd7
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Sc8
- 2.Qd5#
- 1...Sb4
- 2.Re5#
- 1...Sa5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sa7
- 2.Re5#
- 1...Se7
- 2.Re5#
- 1...Sb8
- 2.Re5#
- 1...Sd8
- 2.Re5#
- 1...Rg3+
- 1.Rh5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD::S(F),XR(d)
- R(d);SBLOCK::QAR1(H)
- R(d);N_GUARD::B(B),XR(d)
- R(d);CHECK,N_GUARD::S(C),XR(d)
- B(a);N_GUARD::S(C),XB(a)
- B(a);S_CUTR(d)::S(F)
- B(a);SBLOCK::QAB(H)
- S(f);N_GUARD,XS(F)::QAB1(H)
- S(f);N_GUARD::QAB1(H)
- S(f);N_GUARD::QAB1(H),XS(f)
- S(g);N_GUARD::R1(G)
- S(g);N_GUARD::R1(G),XS(g)
- Tries
- Try
- K(E);S_FLIGHT,XR(d)
- Threat
- DUALS(2)
- Vars
- S(g);XR(G)::S(C)
- B(a);SBLOCK::QAB(H)
- B(a);::S(C)
- S(f);N_GUARD::QAB1(H),XS(f)
- Refutation
- S(g);
- Try
- S(F);CHECK
- Vars
- K(e);S_FLIGHT::QAB1(H)
- Refutation
- B(a);XS(F)
- Try
- B(B);CHECK
- Refutation
- P(c);XB(B)
- Try
- B(B);
- Threat
- B(B)
- Vars
- R(d);CHECK,N_GUARD::S(C),XR(d)
- S(f);N_GUARD::QAB1(H),XS(f)
- S(g);S_CUTB(a)::S(F)
- R(d);N_GUARD::B(B),XR(d)
- B(a);N_GUARD::S(F),XB(a)
- S(g);N_GUARD::R1(G),XS(g)
- S(g);N_GUARD::R1(G)
- Refutation
- S(g);XR(G)
- Try
- B(B);
- Threat
- B(B)
- Vars
- R(d);CHECK,N_GUARD::S(C),XR(d)
- S(f);N_GUARD::QAB1(H),XS(f)
- S(g);N_GUARD::R1(G),XS(g)
- R(d);N_GUARD::B(B),XR(d)
- S(g);N_GUARD::R1(G)
- Refutation
- S(g);
- Try
- Actual
- R(G);
- Vars
- R(d);CHECK,N_GUARD::S(C),XR(d)
- R(d);N_GUARD,XR(G)::S(C)
- S(f);N_GUARD,XS(F)::QAB1(H)
- B(a);SBLOCK::QAB(H)
- S(f);N_GUARD::QAB1(H),XS(f)
- S(g);S_CUTB(a)::S(F)
- R(d);N_GUARD::S(F),XR(d)
- R(d);SBLOCK::QAR1(H)
- R(d);S_CUTB(a)::S(F)
- R(d);N_GUARD::B(B),XR(d)
- B(a);N_GUARD::S(C),XB(a)
- B(a);S_CUTR(d)::S(F)
- B(a);N_GUARD::S(F),XB(a)
- S(f);N_GUARD::QAB1(H)
- S(g);N_GUARD::R1(G)
- S(g);N_GUARD::R1(G),XS(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).