MESON Chess Problem Database
Problem Display
PID: 271178 (8/B1pRpq2/K2b2Qr/2RB4/3k1pN1/2p1p3/1N3n2/3n4 w - - 0 1)
Beck, Friedrich
Schackvarlden, 1938
#2
8 + 11
| 15601 | Albrecht-Leiss-Degener Collection | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Qxd5
- 2.Rc4#
- 1...Bxc5
- 2.Be6#
- 2.Bxf7#
- 1...Be5
- 2.Rc4#
- 2.Rc6#
- 2.Rcxc7#
- 1...Sh1
- 2.Qd3#
- 2.Qe4#
- 1...Sd3
- 2.Qxd3#
- 2.Qe4#
- 1...Sh3
- 2.Qd3#
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sxg4
- 2.Qe4#
- 1...Qxd5
- Tries
- 1.Bf3?
- threat
- 2.Rc4#
- 2.Rd5#
- 2.Rc6#
- 2.Rcxc7#
- 1...Qc4+
- 2.Rxc4#
- 1...Sxb2
- 2.Rc6#
- 2.Rcxc7#
- 1...Sxg4
- 2.Rd5#
- 2.Qd3#
- 2.Qe4#
- 1...cxb2
- 2.Rc6#
- 2.Rcxc7#
- 1...Qb3
- 2.Rc4#
- 2.Rd5#
- 1...Qd5
- 2.Rc4#
- 2.Rxd5#
- 1...Qf5
- 2.Rc4#
- 2.Rd5#
- 1...Rh5
- 2.Rc4#
- 2.Rd5#
- 1...Sd3
- 2.Rc4#
- 2.Rd5#
- 2.Qxd3#
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...c2
- 2.Rc4#
- 2.Rc6#
- 2.Rcxc7#
- 1...c6
- 2.Rc4#
- 2.Rd5#
- 2.Rxc6#
- 1...Qa2+!
- threat
- 1.Bc6?
- threat
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Qa2+
- 2.Ra5#
- 1...Qc4+
- 2.Rxc4#
- 1...Qxg6
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Rxg6
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 1...Sxg4
- 2.Ra5#
- 2.Rb5#
- 2.Rd5#
- 2.Rf5#
- 2.Rg5#
- 2.Rh5#
- 2.Qd3#
- 2.Qe4#
- 1...cxb2
- 2.Rc1#
- 2.Rc2#
- 1...Qb3
- 2.Rc4#
- 2.Rb5#
- 2.Rd5#
- 1...Qd5
- 2.Rc4#
- 2.Rxd5#
- 1...Qf5
- 2.Rc4#
- 2.Re5#
- 2.Rxf5#
- 1...Rh5
- 2.Rc4#
- 2.Rd5#
- 2.Re5#
- 2.Rf5#
- 2.Rg5#
- 2.Rxh5#
- 1...Sd3
- 2.Rc4#
- 2.Rd5#
- 2.Qxd3#
- 2.Qe4#
- 1...Se4
- 2.Rc4#
- 2.Rd5#
- 2.Qxe4#
- 1...c2
- 2.Rxc2#
- 2.Rc4#
- 1...e5
- 2.Rc4#
- 2.Ra5#
- 2.Rb5#
- 2.Rd5#
- 2.Rxe5#
- 1...Sxb2!
- threat
- 1.Be6?
- threat
- 2.Rc4#
- 2.Rd5#
- 2.Rc6#
- 2.Rcxc7#
- 1...Qxg6
- 2.Rc4#
- 1...Rxg6
- 2.Rc4#
- 1...Sxb2
- 2.Rc4#
- 2.Rc6#
- 2.Rcxc7#
- 1...Sxg4
- 2.Rd5#
- 2.Qd3#
- 1...cxb2
- 2.Rc4#
- 2.Rc6#
- 2.Rcxc7#
- 1...Qf5
- 2.Rc4#
- 1...Rh5
- 2.Rc4#
- 2.Rd5#
- 1...Sd3
- 2.Rc4#
- 2.Rd5#
- 2.Qxd3#
- 1...Se4
- 2.Rc4#
- 2.Rd5#
- 1...c2
- 2.Rc4#
- 2.Rc6#
- 2.Rcxc7#
- 1...c6
- 2.Rc4#
- 2.Rd5#
- 2.Rxc6#
- 1...Qxe6!
- threat
- 1.Bxf7?
- threat
- 2.Rc4#
- 2.Rd5#
- 2.Rc6#
- 2.Rcxc7#
- 1...Rxg6
- 2.Rc4#
- 1...Sxb2
- 2.Rc4#
- 2.Rc6#
- 2.Rcxc7#
- 1...Sxg4
- 2.Rd5#
- 2.Qd3#
- 1...cxb2
- 2.Rc4#
- 2.Rc6#
- 2.Rcxc7#
- 1...Rh5
- 2.Rc4#
- 2.Rd5#
- 1...Sd3
- 2.Rc4#
- 2.Rd5#
- 2.Qxd3#
- 1...Se4
- 2.Rc4#
- 2.Rd5#
- 1...c2
- 2.Rc4#
- 2.Rc6#
- 2.Rcxc7#
- 1...c6
- 2.Rc4#
- 2.Rd5#
- 2.Rxc6#
- 1...e6!
- threat
- 1.Ra5+?
- 1...Bc5
- 2.Be6#
- 2.Bxf7#
- 2.Bxc5#
- 2.Ra4#
- 1...c5!
- 1...Bc5
- 1.Rb5+?
- 1...Bc5
- 2.Be6#
- 2.Bxf7#
- 2.Bxc5#
- 2.Rb4#
- 1...c5!
- 1...Bc5
- 1.Rc6+?
- 1...Bc5
- 2.Be6#
- 2.Bxf7#
- 2.Bxc5#
- 1...Kxd5!
- 1...Bc5
- 1.Rcxc7+?
- 1...Bc5
- 2.Be6#
- 2.Bxf7#
- 2.Bxc5#
- 1...Kxd5!
- 1...Bc5
- 1.Rxd6?
- threat
- 2.Rc4#
- 2.Rcc6#
- 2.Rxc7#
- 1...Sxg4
- 2.Qe4#
- 1...cxd6
- 2.Ra5#
- 2.Rb5#
- 1...c6
- 2.Rc4#
- 2.Rcxc6#
- 1...Sd3
- 2.Rc4#
- 2.Qxd3#
- 2.Qe4#
- 1...Se4
- 2.Rc4#
- 2.Qxe4#
- 1...exd6!
- threat
- 1.Bf3?
- Keys
- 1.Qc2!
- threat
- 2.Qa4#
- 1...Bxc5+
- 2.Be6#
- 1...Be5+
- 2.Rc6#
- 1...Qxd5
- 2.Rc4#
- 1...Sxb2
- 2.Qxc3#
- 1...Sxg4
- 2.Qe4#
- 1...cxb2
- 2.Qc4#
- 1...Sd3
- 2.Qxd3#
- threat
- 1.Qc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 1
- Sets
- Q(k);SBLOCK,XB(D)::B(G)+R(C),DCHECK
- S(b);N_GUARD::QAR1(F),XS(b)
- S(b);N_GUARD,XS(B)::QAR1(F)
- Tries
- Try
- B(D);P_PINB(g)
- Threat
- DUALS(4)
- Vars
- Q(k);CHECK::B(G)+R(C),DCHECK,XQ(k)
- S(b);N_GUARD::QAR1(F),XS(b)
- Refutation
- Q(k);CHECK
- Try
- B(D);P_PINB(g)
- Threat
- DUALS(8)
- Vars
- Q(k);CHECK::B(G)+R(C)
- Q(k);CHECK::B(G)+R(C),DCHECK,XQ(k)
- Refutation
- S(a);XS(A)
- Try
- B(D);P_PINB(g)
- Threat
- DUALS(4)
- Vars
- Q(k);XQ(F)::B(G)+R(C),DCHECK
- R(h);XQ(F)::B(G)+R(C),DCHECK
- Q(k);::B(G)+R(C),DCHECK
- Refutation
- Q(k);XB(D)
- Try
- B(D);P_PINB(g),XQ(k)
- Threat
- DUALS(4)
- Vars
- R(h);XQ(F)::B(G)+R(C),DCHECK
- Refutation
- P(j);
- Try
- R(C);CHECK
- Refutation
- P(i);P_SPINP(i)
- Try
- R(C);CHECK
- Refutation
- P(i);P_SPINP(i)
- Try
- R(C);CHECK
- Refutation
- K(e);P-FLIGHT,P_SPINB(g),XB(D)
- Try
- R(C);CHECK,XP(i)
- Refutation
- K(e);P-FLIGHT,P_SPINB(g),XB(D)
- Try
- R(H);XB(g)
- Threat
- DUALS(3)
- Vars
- S(b);N_GUARD,XS(B)::QAR1(F)
- Refutation
- P(j);XR(H)
- Try
- Actual
- Q(F);
- Threat
- QAR(F)
- Vars
- B(g);CHECK,OGATEB,P_SPINB(g),XR(C)::R(H)+B(D)
- B(g);CHECK,N_GUARD::B(G)+R(C)
- Q(k);SBLOCK,XB(D)::B(G)+R(C),DCHECK
- S(a);N_GUARD,XS(A)::QAB1(F),XP(c)
- S(b);N_GUARD,XS(B)::QAR1(F)
- P(c);OGATE,XS(A)::QAR1(F)
- S(b);N_GUARD::QAR1(F),XS(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).