MESON Chess Problem Database
Problem Display
PID: 15462 (2Bq4/7R/N2n2R1/p2p4/P1k4r/3p1Nb1/KBp5/Q4n2 w - - 0 1)
Ahues, Herbert Siegfried Oskar
3rd Prize, Mat 10. TT, 1983-1984
#2
9 + 10
| 3748 | FIDE Album (1983-1985) | 1992 |
SOLUTION
- SOUND
- Sets
- 1...Qg5
- 2.Rc7#
- 1...Qf6
- 2.Rc7#
- 1...Qc7
- 2.Rxc7#
- 1...Qf8
- 2.Rc7#
- 1...Qg8
- 2.Rc7#
- 1...Qh8
- 2.Rc7#
- 1...Rf4
- 2.Se5#
- 1...Be1
- 2.Se5#
- 1...Bf2
- 2.Se5#
- 1...Be5
- 2.Sxe5#
- 1...Sd2
- 2.Sxd2#
- 1...Sh2
- 2.Sd2#
- 1...Se3
- 2.Sd2#
- 1...Sb5
- 2.Rc6#
- 1...Sf5
- 2.Rc6#
- 1...Sf7
- 2.Rc6#
- 1...Sxc8
- 2.Rc6#
- 1...Se8
- 2.Rc6#
- 1...c1Q
- 2.Qxc1#
- 1...c1S+
- 2.Qxc1#
- 1...c1B
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...d2
- 2.Qxf1#
- 1...d4
- 2.Be6#
- 1...Qg5
- Tries
- 1.Bd4?
- threat
- 2.Qc3#
- 1...c1S+
- 2.Qxc1#
- 1...Rxd4
- 2.Qxd4#
- 1...c1Q
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Be1
- 2.Se5#
- 1...Sb5
- 2.Rc6#
- 1...Se4!
- threat
- 1.Be5?
- threat
- 2.Qc3#
- 1...c1S+
- 2.Qxc1#
- 1...Bxe5
- 2.Sxe5#
- 1...d4
- 2.Be6#
- 1...c1Q
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Rd4
- 2.Qxd4#
- 1...Se4
- 2.Qd4#
- 1...Sb5
- 2.Rc6#
- 1...Be1!
- threat
- 1.Bf6?
- threat
- 2.Qc3#
- 1...c1S+
- 2.Qxc1#
- 1...Qxf6
- 2.Rc7#
- 1...d4
- 2.Be6#
- 1...c1Q
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Rd4
- 2.Qxd4#
- 1...Be1
- 2.Se5#
- 1...Be5
- 2.Sxe5#
- 1...Se4
- 2.Qd4#
- 1...Sb5!
- threat
- 1.Bg7?
- threat
- 2.Qc3#
- 1...c1S+
- 2.Qxc1#
- 1...d4
- 2.Be6#
- 1...c1Q
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Rd4
- 2.Qxd4#
- 1...Be1
- 2.Se5#
- 1...Be5
- 2.Sxe5#
- 1...Se4
- 2.Qd4#
- 1...Sb5
- 2.Rc6#
- 1...Qf6!
- threat
- 1.Rxh4+?
- 1...Bf4
- 2.Se5#
- 1...Bxh4
- 2.Se5#
- 1...Se4
- 2.Rc6#
- 1...d4
- 2.Be6#
- 2.Rxd4#
- 1...Qxh4!
- 1...Bf4
- 1.Qe1?
- threat
- 2.Qc3#
- 1...c1S+
- 2.Qxc1#
- 1...Bxe1
- 2.Se5#
- 1...d2
- 2.Qxf1#
- 2.Qe2#
- 1...d4
- 2.Be6#
- 2.Qe6#
- 1...c1Q
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Qf6
- 2.Rc7#
- 1...Qh8
- 2.Rc7#
- 1...Be5
- 2.Sxe5#
- 1...Sd2
- 2.Sxd2#
- 1...Sb5
- 2.Rc6#
- 1...Se4!
- threat
- 1.Bd4?
- Keys
- 1.Bh8!
- threat
- 2.Qc3#
- 1...c1S+
- 2.Qxc1#
- 1...Qxh8
- 2.Rc7#
- 1...d4
- 2.Be6#
- 1...c1Q
- 2.Qxc1#
- 1...c1R
- 2.Qxc1#
- 1...Qf6
- 2.Rc7#
- 1...Rd4
- 2.Qxd4#
- 1...Be1
- 2.Se5#
- 1...Be5
- 2.Sxe5#
- 1...Se4
- 2.Qd4#
- 1...Sb5
- 2.Rc6#
- threat
- 1.Bh8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 15
- Sets
- Q(j);N_GUARD::R(H)
- Q(j);N_GUARD::R(H),XQ(j)
- R(f);S_CUTB(d)::S(D)
- B(d);N_GUARD::S(D)
- B(d);N_GUARD::S(D),XB(d)
- S(a);N_GUARD::S(D),XS(a)
- S(a);N_GUARD::S(D)
- S(i);OGATE::R(G)
- S(i);OGATE,XB(I)::R(G)
- P(b);OGATEB::QAR(A),XQ(b)
- P(b);CHECK,OGATEB::QAR(A),XS(b)
- P(b);OGATEB::QAR(A),XB(b)
- P(b);OGATEB::QAR(A),XR(b)
- P(c);OGATEB::QAB(A),XS(a)
- P(h);OGATEB::B(I)
- Tries
- Try
- B(C);
- Threat
- QAR1(A)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XS(b)
- R(f);OGATE,XB(C)::QAR1(A),XR(f)
- P(b);OGATEB::QAR(A),XQ(b)
- P(b);OGATEB::QAR(A),XR(b)
- B(d);N_GUARD::S(D)
- S(i);OGATE::R(G)
- Refutation
- S(i);
- Try
- B(C);
- Threat
- QAR1(A)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XS(b)
- B(d);XB(C)::S(D),XB(d)
- P(h);OGATEB::B(I)
- P(b);OGATEB::QAR(A),XQ(b)
- P(b);OGATEB::QAR(A),XR(b)
- R(f);N_GUARD::QAR1(A),XR(f)
- S(i);S_CUTR(f)::QAR1(A)
- S(i);OGATE::R(G)
- Refutation
- B(d);
- Try
- B(C);
- Threat
- QAR1(A)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XS(b)
- Q(j);N_GUARD,XB(C)::R(H)
- P(h);OGATEB::B(I)
- P(b);OGATEB::QAR(A),XQ(b)
- P(b);OGATEB::QAR(A),XR(b)
- R(f);N_GUARD::QAR1(A),XR(f)
- B(d);N_GUARD::S(D)
- B(d);N_GUARD::S(D),XB(d)
- S(i);S_CUTR(f)::QAR1(A)
- Refutation
- S(i);
- Try
- B(C);
- Threat
- QAR1(A)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XS(b)
- P(h);OGATEB::B(I)
- P(b);OGATEB::QAR(A),XQ(b)
- P(b);OGATEB::QAR(A),XR(b)
- R(f);N_GUARD::QAR1(A),XR(f)
- B(d);N_GUARD::S(D)
- B(d);N_GUARD::S(D),XB(d)
- S(i);S_CUTR(f)::QAR1(A)
- S(i);OGATE::R(G)
- Refutation
- Q(j);
- Try
- R(H);CHECK,XR(f)
- Vars
- B(d);P_SPINB(d)::S(D)
- B(d);XR(H)::S(D)
- S(i);OGATE,P_SPINS(i)::R(G)
- Refutation
- Q(j);XR(H)
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XS(b)
- B(d);N_GUARD,XQ(A)::S(D)
- P(b);OGATEB::QAR(A),XQ(b)
- P(b);OGATEB::QAR(A),XR(b)
- Q(j);N_GUARD::R(H)
- B(d);N_GUARD::S(D),XB(d)
- S(a);N_GUARD::S(D),XS(a)
- S(i);OGATE::R(G)
- Refutation
- S(i);
- Try
- Actual
- B(C);
- Threat
- QAR1(A)
- Vars
- P(b);CHECK,OGATEB::QAR(A),XS(b)
- Q(j);N_GUARD,XB(C)::R(H)
- P(h);OGATEB::B(I)
- P(b);OGATEB::QAR(A),XQ(b)
- P(b);OGATEB::QAR(A),XR(b)
- Q(j);N_GUARD::R(H)
- R(f);N_GUARD::QAR1(A),XR(f)
- B(d);N_GUARD::S(D)
- B(d);N_GUARD::S(D),XB(d)
- S(i);S_CUTR(f)::QAR1(A)
- S(i);OGATE::R(G)
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).