MESON Chess Problem Database
Problem Display
PID: 254855 (8/N1P5/Qbp2K2/3kP2R/nP3R2/2r1B3/1p2b3/3N4 w - - 0 1)
Belschan, Josef
Wiener Schachzeitung, 1937
#2
10 + 7
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rd3
- 2.Qc4#
- 1...Rc5
- 2.Rd4#
- 1...Bd4
- 2.Rxd4#
- 1...Ba5
- 2.Rd4#
- 1...Bc5
- 2.Qxc6#
- 1...Bxc7
- 2.Rd4#
- 1...Sc5
- 2.Sxc3#
- 2.Rd4#
- 1...c5
- 2.Qb7#
- 1...Rd3
- Tries
- 1.Bxb6?
- threat
- 2.Rd4#
- 1...Sxb6
- 2.Sxc3#
- 1...Rd3
- 2.Qc4#
- 1...Rc4
- 2.Se3#
- 1...Rc5
- 2.Se3#
- 1...Sc5
- 2.Sxc3#
- 1...c5
- 2.Qb7#
- 1...Rf3!
- threat
- 1.Rh7?
- threat
- 2.Rd7#
- 1...Bxc7
- 2.Rd4#
- 1...Bc5
- 2.Qxc6#
- 1...Sc5
- 2.Sxc3#
- 2.Rd4#
- 1...Bg4!
- threat
- 1.Rh8?
- threat
- 2.Rd8#
- 1...Bxc7
- 2.Rd4#
- 1...Bc5
- 2.Qxc6#
- 1...Sc5
- 2.Sxc3#
- 2.Rd4#
- 1...Bg4!
- threat
- 1.Qc8?
- threat
- 2.Qe6#
- 2.Qd7#
- 2.Qd8#
- 2.Qg8#
- 1...Bxh5
- 2.Qe6#
- 2.Qd7#
- 2.Qd8#
- 1...Bxc7
- 2.Rd4#
- 2.Qe6#
- 2.Qg8#
- 1...Bd4
- 2.Rxd4#
- 2.Qe6#
- 2.Qg8#
- 1...Bc5
- 2.Qe6#
- 2.Qg8#
- 1...Sc5
- 2.Sxc3#
- 2.Rd4#
- 1...Bg4!
- threat
- 1.Qa5+?
- 1...Rc5
- 2.Rd4#
- 1...Bxa5
- 2.Rd4#
- 1...Bc5
- 2.Rd4#
- 1...Sc5
- 2.Sxc3#
- 2.Rd4#
- 1...c5
- 2.Rd4#
- 1...Bb5!
- 1...Rc5
- 1.Qxb6?
- threat
- 2.Rd4#
- 2.Qd4#
- 1...Sxb6
- 2.Sxc3#
- 2.Rd4#
- 1...Rd3
- 2.Qxc6#
- 1...Rc5
- 2.Rd4#
- 1...Sc5
- 2.Sxc3#
- 2.Rd4#
- 2.Qxc6#
- 1...c5
- 2.Qc6#
- 2.Qd6#
- 2.Qe6#
- 2.Qb7#
- 1...Rc4!
- threat
- 1.c8Q?
- threat
- 2.Qe6#
- 2.Qd7#
- 2.Qg8#
- 1...Bd8+
- 2.Qxd8#
- 1...Bxh5
- 2.Qe6#
- 2.Qd7#
- 1...Bc5
- 2.Qe6#
- 2.Qaxc6#
- 2.Qcxc6#
- 2.Qg8#
- 1...Bc7
- 2.Rd4#
- 2.Qe6#
- 2.Qg8#
- 1...Sc5
- 2.Sxc3#
- 2.Rd4#
- 2.Qxc6#
- 1...Bg4!
- threat
- 1.c8S?
- threat
- 2.Se7#
- 1...Bc5
- 2.Qxc6#
- 1...Bd8+!
- threat
- 1.Bxb6?
- Keys
- 1.Bc5!
- threat
- 2.Rd4#
- 1...Rxc5
- 2.Se3#
- 1...Bxc5
- 2.Qxc6#
- 1...Sxc5
- 2.Sxc3#
- 1...Rd3
- 2.Qc4#
- 1...Rf3
- 2.e6#
- 1...Rc4
- 2.Se3#
- threat
- 1.Bc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- R(c);N_GUARD,S_CUTB(b)::QAB1(G)
- R(c);S_CUTB(f)::R1(D)
- B(f);N_GUARD,P_PINP(E)::R1(D),XB(f)
- B(f);N_GUARD::R1(D)
- B(f);OGATE::QAB1(G),XP(g)
- B(f);N_GUARD,XP(J)::R1(D)
- P(g);OGATEB::QAB(G)
- Tries
- Try
- B(B);XB(f)
- Threat
- R1(D)
- Vars
- S(d);N_GUARD,XB(B)::S(A),XR(c)
- R(c);N_GUARD,S_CUTB(b)::QAB1(G)
- R(c);N_GUARD::S(A)
- S(d);N_GUARD::S(A),XR(c)
- P(g);OGATEB::QAB(G)
- Refutation
- R(c);P_PINR(D)
- Try
- R(F);
- Threat
- R(F)
- Vars
- B(f);N_GUARD,XP(J)::R1(D)
- B(f);OGATE::QAB1(G),XP(g)
- Refutation
- B(b);
- Try
- R(F);
- Threat
- R(F)
- Vars
- B(f);N_GUARD,XP(J)::R1(D)
- B(f);OGATE::QAB1(G),XP(g)
- Refutation
- B(b);
- Try
- Q(G);
- Threat
- DUALS(4)
- Refutation
- B(b);
- Try
- Q(G);CHECK
- Vars
- R(c);P_SPINR(c)::R1(D)
- B(f);XQ(G)::R1(D)
- B(f);P_SPINB(f)::R1(D)
- P(g);P_SPINP(g)::R1(D)
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(G);XB(f)
- Threat
- DUALS(2)
- Vars
- R(c);N_GUARD::QAB1(G),XP(g)
- R(c);::R1(D)
- Refutation
- R(c);
- Try
- P(J);
- Threat
- DUALS(3)
- Vars
- B(f);CHECK,N_GUARD::QAR(J),XB(f)
- Refutation
- B(b);
- Try
- P(J);
- Threat
- S(J)
- Vars
- B(f);OGATE::QAB1(G),XP(g)
- Refutation
- B(f);CHECK
- Try
- Actual
- B(B);
- Threat
- R1(D)
- Vars
- R(c);N_GUARD,XB(B)::S(A)
- B(f);OGATE,XB(B)::QAB1(G),XP(g)
- S(d);N_GUARD,XB(B)::S(A),XR(c)
- R(c);N_GUARD,S_CUTB(b)::QAB1(G)
- R(c);P_PINR(D),S_CUTB(b)::R(F)+P(E)
- R(c);N_GUARD::S(A)
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).