MESON Chess Problem Database
Problem Display
PID: 159821 (KbBR1B2/2p5/1pk1N3/n1P1n2r/bp1Rp1p1/2N5/3PQ3/1r5q w - - 0 1)
Ahues, Herbert Siegfried Oskar
Szachy, 1964
#2
10 + 13
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.Qxe4#
- 1...Qd1
- 2.Qxe4#
- 1...Qf1
- 2.Qxe4#
- 1...Qg1
- 2.Qxe4#
- 1...Qh2
- 2.Qxe4#
- 1...Qh3
- 2.Qxe4#
- 1...Qh4
- 2.Qxe4#
- 1...Bd1
- 2.Qb5#
- 1...Bc2
- 2.Qb5#
- 1...Bb3
- 2.Qb5#
- 1...Bb5
- 2.Qxb5#
- 1...Sb3
- 2.Bb7#
- 1...Sac4
- 2.Bb7#
- 1...Sb7
- 2.Bxb7#
- 1...Sd3
- 2.Bd7#
- 1...Sf3
- 2.Bd7#
- 1...Sec4
- 2.Bd7#
- 1...Sg6
- 2.Bd7#
- 1...Sd7
- 2.Bxd7#
- 1...Sf7
- 2.Bd7#
- 1...bxc5
- 2.Qa6#
- 1...Qc1
- Tries
- 1.Rd3?
- threat
- 2.Sd4#
- 1...Qg1
- 2.Qxe4#
- 1...Sb3
- 2.Bb7#
- 1...Sf3
- 2.Bd7#
- 1...bxc5!
- threat
- 1.Rxb4?
- threat
- 2.Sd4#
- 1...bxc5
- 2.Qa6#
- 1...Qg1
- 2.Qxe4#
- 1...Sb3
- 2.Bb7#
- 1...Sf3
- 2.Bd7#
- 1...Rxb4!
- threat
- 1.Rc4?
- threat
- 2.Sd4#
- 1...Qg1
- 2.Qxe4#
- 1...Sb3
- 2.Bb7#
- 1...Sf3
- 2.Bd7#
- 1...bxc5!
- threat
- 1.Rxe4?
- threat
- 2.Sd4#
- 1...Qxe4
- 2.Qxe4#
- 1...bxc5
- 2.Qa6#
- 1...Sb3
- 2.Bb7#
- 1...Sf3
- 2.Bd7#
- 1...Qg1!
- threat
- 1.R4d5?
- threat
- 2.Sd4#
- 1...bxc5
- 2.Qa6#
- 1...Sb3
- 2.Bb7#
- 1...Sf3
- 2.Bd7#
- 1...Qg1!
- threat
- 1.R4d7?
- threat
- 2.Sd4#
- 1...bxc5
- 2.Qa6#
- 1...Qg1
- 2.Qxe4#
- 1...Sb3
- 2.Bb7#
- 1...Sf3!
- threat
- 1.R8d5?
- threat
- 2.Sd8#
- 1...bxc5
- 2.Qa6#
- 1...Sb7
- 2.Bxb7#
- 1...Sf7
- 2.Bd7#
- 1...Qh4!
- threat
- 1.R8d7?
- threat
- 2.Sd8#
- 1...bxc5
- 2.Qa6#
- 1...Qh4
- 2.Qxe4#
- 1...Sb7
- 2.Bxb7#
- 1...Sf7!
- threat
- 1.Rd3?
- Keys
- 1.Re8!
- threat
- 2.Sd8#
- 1...bxc5
- 2.Qa6#
- 1...Qh4
- 2.Qxe4#
- 1...Sb7
- 2.Bxb7#
- 1...Sf7
- 2.Bd7#
- threat
- 1.Re8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 17
- Sets
- Q(b);N_GUARD::QAB(B),XP(e)
- B(c);N_GUARD::QAB1(B)
- B(c);N_GUARD::QAB1(B),XB(c)
- S(g);N_GUARD::B(H)
- S(g);N_GUARD::B(H),XS(g)
- S(h);N_GUARD::B(H)
- S(h);N_GUARD::B(H),XS(h)
- P(j);OGATEB,XP(E)::QAR2(B)
- Tries
- Try
- R(D);
- Threat
- S(F)
- Vars
- Q(b);N_GUARD::QAB(B),XP(e)
- S(g);N_GUARD::B(H)
- S(h);N_GUARD::B(H)
- Refutation
- P(j);XP(E)
- Try
- R(D);XP(d)
- Threat
- S(F)
- Vars
- P(j);OGATEB,XP(E)::QAR2(B)
- Q(b);N_GUARD::QAB(B),XP(e)
- S(g);N_GUARD::B(H)
- S(h);N_GUARD::B(H)
- Refutation
- R(a);XR(D)
- Try
- R(D);
- Threat
- S(F)
- Vars
- Q(b);N_GUARD::QAB(B),XP(e)
- S(g);N_GUARD::B(H)
- S(h);N_GUARD::B(H)
- Refutation
- P(j);P_SPINP(j),XP(E)
- Try
- R(D);XP(e)
- Threat
- S(F)
- Vars
- Q(b);OGATE,XR(D)::QAB(B),XQ(b)
- P(j);OGATEB,XP(E)::QAR2(B)
- S(g);N_GUARD::B(H)
- S(h);N_GUARD::B(H)
- Refutation
- Q(b);
- Try
- R(D);
- Threat
- S(F)
- Vars
- P(j);OGATEB,XP(E)::QAR2(B)
- S(g);N_GUARD::B(H)
- S(h);N_GUARD::B(H)
- Refutation
- Q(b);
- Try
- R(D);
- Threat
- S(F)
- Vars
- P(j);OGATEB,XP(E)::QAR2(B)
- Q(b);N_GUARD::QAB(B),XP(e)
- S(g);N_GUARD::B(H)
- Refutation
- S(h);
- Try
- R(I);
- Threat
- S(F)
- Vars
- P(j);OGATEB,XP(E)::QAR2(B)
- S(g);N_GUARD::B(H),XS(g)
- S(h);N_GUARD::B(H)
- Refutation
- Q(b);
- Try
- R(I);
- Threat
- S(F)
- Vars
- P(j);OGATEB,XP(E)::QAR2(B)
- Q(b);N_GUARD::QAB(B),XP(e)
- S(g);N_GUARD::B(H),XS(g)
- Refutation
- S(h);
- Try
- Actual
- R(I);
- Threat
- S(F)
- Vars
- P(j);OGATEB,XP(E)::QAR2(B)
- Q(b);N_GUARD::QAB(B),XP(e)
- S(g);N_GUARD::B(H),XS(g)
- S(h);N_GUARD::B(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).