MESON Chess Problem Database
Problem Display
PID: 239164 (7B/2p2N2/B3K3/3p2P1/4k3/5R2/2p1P1NP/2br3Q w - - 0 1)
Haring, Jacobus
Sachove umeni (Ceskoslovensky sach), 1971
#2
10 + 6
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Bd3#
- 1...Rf1
- 2.Bd3#
- 1...Rg1
- 2.Bd3#
- 1...Rxh1
- 2.Bd3#
- 1...Rd2
- 2.Re3#
- 2.Rf4#
- 1...Rd3
- 2.Bxd3#
- 1...Bb2
- 2.Re3#
- 2.Rf4#
- 1...Bd2
- 2.Bd3#
- 1...Ba3
- 2.Re3#
- 2.Rf4#
- 1...Be3
- 2.Rxe3#
- 1...Bf4
- 2.Rxf4#
- 1...Bxg5
- 2.Sxg5#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Re1
- Tries
- 1.Bb5?
- 1...Rxh1
- 2.Bd3#
- 1...Bxg5
- 2.Sxg5#
- 1...Re1
- 2.Bd3#
- 1...Rf1
- 2.Bd3#
- 1...Rg1
- 2.Bd3#
- 1...Rd2
- 2.Re3#
- 2.Rf4#
- 1...Rd3
- 2.Bxd3#
- 1...Bb2
- 2.Re3#
- 2.Rf4#
- 1...Bd2
- 2.Bd3#
- 1...Ba3
- 2.Re3#
- 2.Rf4#
- 1...Be3
- 2.Rxe3#
- 1...Bf4
- 2.Rxf4#
- 1...d4
- 2.Bc6#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Rd4!
- 1...Rxh1
- 1.Rd3?
- 1...Rxh1
- 2.Rd4#
- 1...Rxd3
- 2.Bxd3#
- 1...Bxg5
- 2.Sxg5#
- 1...Re1
- 2.Rd4#
- 1...Rf1
- 2.Rd4#
- 1...Rg1
- 2.Rd4#
- 1...Rd2
- 2.Re3#
- 1...Bb2
- 2.Re3#
- 1...Bd2
- 2.Rd4#
- 1...Ba3
- 2.Re3#
- 1...Be3
- 2.Rxe3#
- 1...Bf4
- 2.Se1#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...d4!
- 1...Rxh1
- 1.Qg1?
- 1...Rxg1
- 2.Bd3#
- 1...Bxg5
- 2.Sxg5#
- 1...Rd4
- 2.Qxd4#
- 1...Re1
- 2.Bd3#
- 2.Qd4#
- 1...Rf1
- 2.Bd3#
- 2.Qd4#
- 1...Rd2
- 2.Re3#
- 2.Rf4#
- 2.Qe3#
- 1...Rd3
- 2.Bxd3#
- 1...Bb2
- 2.Re3#
- 2.Rf4#
- 2.Qe3#
- 1...Bd2
- 2.Bd3#
- 2.Qd4#
- 1...Ba3
- 2.Re3#
- 2.Rf4#
- 2.Qe3#
- 1...Be3
- 2.Rxe3#
- 2.Qxe3#
- 1...Bf4
- 2.Rxf4#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...d4!
- 1...Rxg1
- 1.Bb5?
- Keys
- 1.Rf5!
- 1...Rxh1
- 2.Bd3#
- 1...Bxg5
- 2.Sxg5#
- 1...Rd4
- 2.Re5#
- 1...Re1
- 2.Bd3#
- 1...Rf1
- 2.Bd3#
- 1...Rg1
- 2.Bd3#
- 1...Rd2
- 2.Rf4#
- 1...Rd3
- 2.Bxd3#
- 2.exd3#
- 1...Bb2
- 2.Rf4#
- 1...Bd2
- 2.Bd3#
- 1...Ba3
- 2.Rf4#
- 1...Be3
- 2.Se1#
- 1...Bf4
- 2.Rxf4#
- 1...d4
- 2.Re5#
- 1...c5
- 2.Sd6#
- 1...c6
- 2.Sd6#
- 1...Rxh1
- 1.Rf5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- R(b);N_GUARD::B(G)
- R(b);N_GUARD,XQ(A)::B(G)
- R(b);N_GUARD::B(G),XR(b)
- B(a);S_CUTR(b)::B(G)
- B(a);N_GUARD::R1(E),XB(a)
- B(a);XP(F)::S(I),XB(a)
- P(f);N_GUARD::S(I)
- Tries
- Try
- B(G);
- Vars
- R(b);N_GUARD,XQ(A)::B(G)
- B(a);XP(F)::S(I),XB(a)
- R(b);N_GUARD::B(G)
- R(b);N_GUARD::B(G),XR(b)
- B(a);S_CUTR(b)::B(G)
- B(a);N_GUARD::R1(E),XB(a)
- P(e);OGATEB::B(G)
- P(f);N_GUARD::S(I)
- Refutation
- R(b);
- Try
- R(E);
- Vars
- R(b);N_GUARD,XQ(A)::R1(E)
- R(b);OGATE,XR(E)::B(G),XR(b)
- B(a);XP(F)::S(I),XB(a)
- R(b);N_GUARD::R1(E)
- R(b);S_CUTB(a)::R1(E)
- B(a);N_GUARD::R1(E)
- B(a);S_CUTR(b)::R1(E)
- B(a);N_GUARD::R1(E),XB(a)
- B(a);SBLOCK::QAB(A)+S(C)
- P(f);N_GUARD::S(I)
- Refutation
- P(e);
- Try
- Q(A);
- Vars
- R(b);N_GUARD,XQ(A)::B(G)
- B(a);XP(F)::S(I),XB(a)
- R(b);N_GUARD::QAR1(A),XR(b)
- R(b);N_GUARD::B(G),XR(b)
- B(a);N_GUARD::R1(E),XB(a)
- P(f);N_GUARD::S(I)
- Refutation
- P(e);
- Try
- Actual
- R(E);
- Vars
- R(b);N_GUARD,XQ(A)::B(G)
- B(a);XP(F)::S(I),XB(a)
- R(b);SBLOCK::R1(E)
- R(b);N_GUARD::B(G)
- R(b);S_CUTB(a)::R1(E)
- B(a);N_GUARD::R1(E)
- B(a);S_CUTR(b)::B(G)
- B(a);SBLOCK::QAB(A)+S(C)
- B(a);N_GUARD::R1(E),XB(a)
- P(e);SBLOCK::R1(E)
- P(f);N_GUARD::S(I)
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).