MESON Chess Problem Database
Problem Display
PID: 204670 (1b1R3B/8/4r2n/1r1nq1QK/3kP1p1/p2N2N1/4P3/2R5 w - - 0 1)
Baumgarten, Ernst
Freie Presse, 1973
#2
9 + 9
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Rxd5#
- 1...Rb2
- 2.Rxd5#
- 1...Rb3
- 2.Rxd5#
- 1...Rb4
- 2.Rxd5#
- 1...Rbb6
- 2.Rxd5#
- 1...Rb7
- 2.Rxd5#
- 1...Rd6
- 2.Bxe5#
- 1...Rb1
- Tries
- 1.Se1?
- threat
- 2.e3#
- 1...Rb3
- 2.Rxd5#
- 1...Rd6
- 2.Bxe5#
- 1...Sf5
- 2.Qd2#
- 1...Bd6!
- threat
- 1.Sb2?
- threat
- 2.Rc4#
- 2.e3#
- 1...Rxb2
- 2.Rxd5#
- 1...Rb3
- 2.Rc4#
- 2.Rxd5#
- 1...Rb4
- 2.Rxd5#
- 2.e3#
- 1...Rc5
- 2.e3#
- 1...Rc6
- 2.e3#
- 1...Rd6
- 2.Bxe5#
- 2.Rc4#
- 1...Bd6
- 2.Rc4#
- 1...Sf5
- 2.Rc4#
- 2.Qd2#
- 1...axb2!
- threat
- 1.Sf2?
- threat
- 2.e3#
- 1...Rb3
- 2.Rxd5#
- 1...Rd6
- 2.Bxe5#
- 1...Sf5
- 2.Sxf5#
- 2.Qd2#
- 1...Bd6!
- threat
- 1.Sc5?
- threat
- 2.Sxe6#
- 2.Rxd5#
- 2.e3#
- 1...Bd6
- 2.Sxe6#
- 1...Rb3
- 2.Sxb3#
- 2.Sxe6#
- 2.Rxd5#
- 1...Rbb6
- 2.Rxd5#
- 2.e3#
- 1...Ra6
- 2.Rxd5#
- 2.e3#
- 1...Reb6
- 2.Rxd5#
- 2.e3#
- 1...Rc6
- 2.Rxd5#
- 2.e3#
- 1...Rd6
- 2.Bxe5#
- 1...Rf6
- 2.e3#
- 1...Rg6
- 2.Rxd5#
- 2.e3#
- 1...Re7
- 2.Rxd5#
- 2.e3#
- 1...Re8
- 2.Rxd5#
- 2.e3#
- 1...Sf5
- 2.Sxf5#
- 2.Sxe6#
- 2.Rxd5#
- 2.Qd2#
- 1...Rxc5!
- threat
- 1.Sxe5?
- threat
- 2.Sf3#
- 2.Sc6#
- 2.Rc4#
- 2.Qd2#
- 2.e3#
- 1...Bxe5
- 2.Qd2#
- 1...Bd6
- 2.Sf3#
- 2.Sc6#
- 2.Rc4#
- 2.Qd2#
- 1...Rb2
- 2.Sf3#
- 2.Sc6#
- 2.Rc4#
- 2.Rxd5#
- 2.e3#
- 1...Rb3
- 2.Sf3#
- 2.Sc6#
- 2.Rc4#
- 2.Rxd5#
- 1...Rb4
- 2.Sf3#
- 2.Sc6#
- 2.Rxd5#
- 2.Qd2#
- 2.e3#
- 1...Rc5
- 2.Sf3#
- 2.Sc6#
- 2.Qd2#
- 2.e3#
- 1...Rc6
- 2.Sf3#
- 2.Sxc6#
- 2.Qd2#
- 2.e3#
- 1...Rd6
- 2.Sf3#
- 2.Sc6#
- 2.Rc4#
- 2.Qd2#
- 1...Rf6
- 2.Sc6#
- 2.Rc4#
- 2.e3#
- 1...Sf5
- 2.Sf3#
- 2.Sc6#
- 2.Rc4#
- 2.Qd2#
- 1...Rxe5!
- threat
- 1.Sf5+?
- 1...Kxe4
- 2.Sf2#
- 1...Sxf5!
- 1...Kxe4
- 1.Se1?
- Keys
- 1.Sb4!
- threat
- 2.e3#
- 1...Rxb4
- 2.Rxd5#
- 1...Bd6
- 2.Sc6#
- 1...Rd6
- 2.Bxe5#
- 1...Sf5
- 2.Qd2#
- threat
- 1.Sb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 5
- Sets
- R(d);N_GUARD::R1(H),XS(e)
- R(g);N_GUARD,N_SPINS(e),S_CUTB(i)::B(I),XQ(f)
- Tries
- Try
- S(C);
- Threat
- P(B)
- Vars
- R(d);N_GUARD::R1(H),XS(e)
- R(g);N_GUARD,N_SPINS(e),S_CUTB(i)::B(I),XQ(f)
- S(h);N_PINQ(F)::QAR2(F)
- Refutation
- B(i);N_SPINS(e)
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD,XS(C)::R1(H),XS(e)
- R(d);::P(B)
- R(g);::P(B)
- B(i);N_SPINS(e)::R1(A)
- Refutation
- P(a);XS(C)
- Try
- S(C);
- Threat
- P(B)
- Vars
- R(d);N_GUARD::R1(H),XS(e)
- R(g);N_GUARD,N_SPINS(e),S_CUTB(i)::B(I),XQ(f)
- Refutation
- B(i);N_SPINS(e)
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- B(i);N_SPINS(e)::S(C),XR(g)
- R(g);N_GUARD,N_SPINS(e),S_CUTB(i)::B(I),XQ(f)
- R(g);N_SPINQ(f)::P(B)
- Refutation
- R(d);XS(C)
- Try
- S(C);N_SPINQ(F),XQ(f)
- Threat
- DUALS(5)
- Vars
- B(i);P_SPINB(i),XS(C)::QAR2(F)
- Refutation
- R(g);P_PINQ(F),P_SPINR(g),XS(C)
- Try
- S(D);CHECK,N_SPINQ(F)
- Vars
- K(b);N_SPINQ(f),N_SPINS(e),P-FLIGHT,XP(E)::S(C)
- Refutation
- S(h);XS(D)
- Try
- Actual
- S(C);
- Threat
- P(B)
- Vars
- R(d);N_GUARD,XS(C)::R1(H),XS(e)
- B(i);N_SPINS(e),S_CUTR(g)::S(C)
- R(g);N_GUARD,N_SPINS(e),S_CUTB(i)::B(I),XQ(f)
- S(h);N_PINQ(F)::QAR2(F)
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).