MESON Chess Problem Database
Problem Display
PID: 254591 (Bb2R1q1/B3rb2/6n1/N1Pr1R2/3k4/p7/2KP3n/7Q w - - 0 1)
Hassberg, Eric Manfred
Wiener Schachzeitung, 1938
(First published on Sat Jan 8 1938)
#2
9 + 9
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rxc5+
- 2.Bxc5#
- 1...Rde5
- 2.Qa1#
- 1...Rxf5
- 2.Qa1#
- 1...Rd6
- 2.Qa1#
- 1...Rdd7
- 2.Qa1#
- 1...Rd8
- 2.Qa1#
- 1...Re2
- 2.Qa1#
- 1...Re3
- 2.dxe3#
- 1...Re4
- 2.Rxe4#
- 2.Qxe4#
- 2.Qa1#
- 1...Re6
- 2.Rxd5#
- 2.Qxd5#
- 1...Rxa7
- 2.Qg1#
- 1...Rb7
- 2.Re4#
- 2.Qe4#
- 2.Qg1#
- 1...Rc7
- 2.Re4#
- 2.Qe4#
- 2.Qa1#
- 2.Qg1#
- 1...Red7
- 2.Re4#
- 2.Qe4#
- 2.Qa1#
- 2.Qg1#
- 1...Se5
- 2.Rf4#
- 1...Rxc5+
- Tries
- 1.Bxd5?
- threat
- 2.Sb3#
- 2.Sc6#
- 2.Qa1#
- 1...Qxe8
- 2.Sb3#
- 2.Qa1#
- 1...Rxa7
- 2.Sb3#
- 2.Qg1#
- 1...Bxe8
- 2.Sb3#
- 2.Qa1#
- 1...Bxa7
- 2.Sb3#
- 1...Re1
- 2.Sb3#
- 2.Sc6#
- 1...Re3
- 2.Sc6#
- 2.dxe3#
- 1...Re5
- 2.Sb3#
- 2.Sc6#
- 1...Re6
- 2.Sb3#
- 2.Qa1#
- 1...Rb7
- 2.Sc6#
- 2.Re4#
- 2.Qe4#
- 2.Qg1#
- 1...Rc7
- 2.Sb3#
- 2.Re4#
- 2.Qe4#
- 2.Qa1#
- 2.Qg1#
- 1...Be5
- 2.Sb3#
- 2.Sc6#
- 2.Qe4#
- 1...Sf1
- 2.Sb3#
- 2.Sc6#
- 1...Se5
- 2.Sb3#
- 2.Rf4#
- 2.Qe4#
- 1...Bxd5!
- threat
- 1.Qf1?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Rxc5+
- 2.Bxc5#
- 1...Ke4
- 2.Qd3#
- 1...Rxf5
- 2.Qa1#
- 1...Rxa7
- 2.Sb3#
- 2.Qc4#
- 2.Qg1#
- 2.Qf2#
- 1...Bxa7
- 2.Qc4#
- 1...Rde5
- 2.Qd3#
- 2.Qa1#
- 1...Rd6
- 2.Qd3#
- 2.Qa1#
- 1...Rdd7
- 2.Qd3#
- 2.Qa1#
- 1...Rd8
- 2.Qd3#
- 2.Qa1#
- 1...Re2
- 2.Qa1#
- 1...Re3
- 2.Sc6#
- 2.Qc4#
- 2.dxe3#
- 1...Sf4
- 2.Qc4#
- 1...Se5
- 2.Rf4#
- 2.Qf4#
- 1...Sxf1!
- threat
- 1.Qg1+?
- 1...Re3
- 2.Qxe3#
- 2.dxe3#
- 1...Ke4!
- 1...Re3
- 1.c6+?
- 1...Rc5+
- 2.Bxc5#
- 1...Rxa7
- 2.Qg1#
- 1...Bxa7!
- 1...Rc5+
- 1.Bxd5?
- Keys
- 1.Qb1!
- threat
- 2.Qb4#
- 1...Rxc5+
- 2.Bxc5#
- 1...Ke4
- 2.Kc3#
- 1...Rxf5
- 2.Qa1#
- 1...Rde5
- 2.Qa1#
- 1...Rd6
- 2.Qa1#
- 1...Rdd7
- 2.Qa1#
- 1...Rd8
- 2.Qa1#
- 1...Rb7
- 2.Qg1#
- 1...Se5
- 2.Rf4#
- threat
- 1.Qb1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 3
- Sets
- R(d);CHECK,OGATE,P_SPINR(d),XP(E)::B(G),XR(d)
- R(d);::QAB(A)
- R(d);XR(F)::QAB(A)
- R(f);P_PINP(C)::QAB(A)
- R(f);OGATE::P(C),XR(f)
- R(f);N_GUARD,XB(G)::QAB(A)
- S(e);N_GUARD,SBLOCK,S_CUTB(h),S_CUTR(f)::R(F)
- Tries
- Try
- B(H);XR(d)
- Threat
- DUALS(3)
- Vars
- B(h);XB(G)::S(D)
- Refutation
- B(g);XB(H)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(d);CHECK,OGATE,P_SPINR(d),XP(E)::B(G),XR(d)
- K(c);P-FLIGHT,P_SPINR(d)::QAB1(A)
- R(d);XR(F)::QAB(A)
- B(h);XB(G)::QAR1(A)
- R(f);P_PINP(C)::QAB(A)
- S(e);::QAR1(A)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);CHECK
- Refutation
- K(c);P-FLIGHT,P_SPINR(d)
- Try
- P(E);CHECK
- Vars
- R(d);CHECK,N_GUARD,P_SPINR(d)::B(G),XR(d)
- R(f);XB(G)::QAB(A)
- Refutation
- B(h);XB(G)
- Try
- Actual
- Q(A);
- Threat
- QAR2(A)
- Vars
- R(d);CHECK,OGATE,P_SPINR(d),XP(E)::B(G),XR(d)
- K(c);P-FLIGHT,P_SPINR(d)::QAB(A)+K(B)
- R(d);XR(F)::QAB(A)
- R(d);::QAB(A)
- R(f);N_GUARD::QAB(A)
- S(e);N_GUARD,SBLOCK,S_CUTB(h),S_CUTR(f)::R(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).