MESON Chess Problem Database
Problem Display
PID: 17618 (B2QN2B/Kn3Prq/bR4p1/1p2k3/Rb4P1/1n2Pp2/8/8 w - - 0 1)
Hassberg, Eric Manfred
1st Prize, Christian Science Monitor, 1948
#2
10 + 10
| 3105 | FIDE Album (1945-1955) | 1964 |
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Re6#
- 1...Be1
- 2.Qg5#
- 1...Bd2
- 2.Qg5#
- 1...Ba3
- 2.Qg5#
- 1...Bc3
- 2.Qg5#
- 1...Ba5
- 2.Qg5#
- 1...Bc5
- 2.Qg5#
- 1...Bf8
- 2.Qg5#
- 1...Sa1
- 2.Qd4#
- 1...Sc1
- 2.Qd4#
- 1...Sd2
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...S3a5
- 2.Qd4#
- 1...S3c5
- 2.Qd4#
- 1...S7a5
- 2.Qg5#
- 2.Qf6#
- 2.Qd5#
- 1...S7c5
- 2.Qg5#
- 2.Qf6#
- 2.Qc7#
- 2.Qd5#
- 2.Qd6#
- 2.Qb8#
- 1...Sd6
- 2.Qf6#
- 2.Qe7#
- 1...Ke4
- Tries
- 1.Sc7?
- threat
- 2.Re6#
- 2.Qd5#
- 1...Ke4
- 2.Re6#
- 1...Bc5
- 2.Qg5#
- 2.Qf6#
- 2.Qd5#
- 1...Bd6
- 2.Qg5#
- 1...Sd4
- 2.Qxd4#
- 2.Qd5#
- 1...S3c5
- 2.Qd4#
- 2.Qd5#
- 1...S7c5
- 2.Qg5#
- 2.Qf6#
- 2.Qd5#
- 2.Qd6#
- 1...Sd6
- 2.Qe7#
- 1...Sxd8!
- threat
- 1.Bxb7?
- threat
- 2.Qg5#
- 2.Qf6#
- 2.Qd5#
- 1...Bd6
- 2.Re4#
- 2.Qf6#
- 2.Qxd6#
- 1...Qh4
- 2.Qd5#
- 1...Qh5
- 2.Bxg7#
- 2.Qf6#
- 2.Qd5#
- 1...Qh6
- 2.Qf6#
- 2.Qd5#
- 1...Be7
- 2.Re4#
- 2.Qxe7#
- 2.Qd5#
- 1...Sd4
- 2.Qf6#
- 2.Qxd4#
- 2.Qd5#
- 1...g5
- 2.Qf6#
- 2.Qd5#
- 1...Bxb7!
- threat
- 1.Bxg7+?
- 1...Ke4
- 2.Re6#
- 1...Qxg7!
- 1...Ke4
- 1.Qd7?
- threat
- 2.Re6#
- 2.Qe6#
- 1...Ke4
- 2.Re6#
- 1...Bc5
- 2.Qe6#
- 1...Sd4
- 2.Qxd4#
- 1...S3c5
- 2.Qd4#
- 1...S7c5
- 2.Qd5#
- 2.Qd6#
- 2.Qc7#
- 1...Sd6
- 2.Qe7#
- 1...Sd8
- 2.Qd5#
- 1...Bd6!
- threat
- 1.f8S?
- threat
- 2.Re6#
- 1...S7a5+
- 2.Sd7#
- 1...S7c5+
- 2.Qc7#
- 1...Sd6+
- 2.Qe7#
- 1...Sxd8+
- 2.Sd7#
- 1...Ke4
- 2.Re6#
- 1...Bxf8
- 2.Qg5#
- 1...Bd6
- 2.Qg5#
- 1...Bc5
- 2.Qg5#
- 1...Sd4
- 2.Qxd4#
- 1...S3c5
- 2.Qd4#
- 1...Qg8!
- threat
- 1.Sc7?
- Keys
- 1.Sf6!
- threat
- 2.Qd5#
- 1...Sxd8
- 2.Sd7#
- 1...Bd6
- 2.Re4#
- 1...Sd6
- 2.Qe7#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 14
- Sets
- K(e);N_SPINR(i),P-FLIGHT,P_SPINB(c),P_SPINS(h)::R(D)
- B(c);::QAR2(H)
- B(c);P_PINR(D)::QAR2(H)
- S(a);N_GUARD::QAB1(H)
- S(a);N_GUARD::QAB1(H),XS(a)
- Tries
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- K(e);N_SPINR(i),P-FLIGHT,P_SPINB(c),P_SPINS(h)::R(D)
- B(c);::QAR2(H)
- S(h);S_CUTB(c)::QAR2(H)
- Refutation
- S(h);XQ(H)
- Try
- B(G);XS(h)
- Threat
- DUALS(3)
- Vars
- Q(j);::QAR1(H)
- Refutation
- B(f);XB(G)
- Try
- B(J);CHECK,XR(i)
- Vars
- K(e);P-FLIGHT,P_SPINB(c),P_SPINS(h)::R(D)
- Refutation
- Q(j);XB(J)
- Try
- Q(H);
- Threat
- DUALS(2)
- Vars
- K(e);N_SPINR(i),P-FLIGHT,P_SPINB(c),P_SPINS(h)::R(D)
- B(c);P_PINR(D)::QAR1(H)
- S(a);N_GUARD::QAB1(H),XS(a)
- S(a);N_GUARD::QAB1(H)
- S(h);S_CUTB(c)::QAR2(H)
- S(h);::QAR1(H)
- Refutation
- B(c);
- Try
- P(F);
- Threat
- R1(D)
- Vars
- S(h);CHECK::S(F)
- S(h);CHECK,N_GUARD,S_CUTB(c)::QAB(H)
- S(h);CHECK,S_CUTB(c)::QAR2(H)
- S(h);CHECK,XQ(H)::S(F)
- K(e);N_SPINR(i),P-FLIGHT,P_SPINB(c),P_SPINS(h)::R(D)
- B(c);XS(F)::QAR2(H)
- B(c);::QAR2(H)
- B(c);P_PINR(D)::QAR2(H)
- S(a);N_GUARD::QAB1(H),XS(a)
- S(a);N_GUARD::QAB1(H)
- Refutation
- Q(j);
- Try
- Actual
- S(I);N_PINR(i)
- Threat
- QAR1(H)
- Vars
- S(h);P_PINP(F),XQ(H)::S(I)
- B(c);OGATE::R1(B)
- S(h);P_PINP(F),S_CUTB(c)::QAR2(H)
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).