MESON Chess Problem Database
Problem Display
PID: 176237 (K1B5/1nN5/pPQ1pB2/2P2q2/2k1PN2/Pn2P3/1PP4b/8 w - - 0 1)
Brummelman, Derk Hendrikus (AKA Bruma, DH)
5th Comm., Schach-Echo, 1972
#2
13 + 7
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qg6
- 2.Bxe6#
- 1...Qh7
- 2.Bxe6#
- 1...Qxf4
- 2.Bxe6#
- 1...Qxc5
- 2.Bxe6#
- 1...S3xc5
- 2.b3#
- 1...Sa5
- 2.Bxa6#
- 1...S7xc5
- 2.Bxa6#
- 1...Sd8
- 2.Bxa6#
- 1...a5
- 2.Qb5#
- 1...e5
- 2.Qd5#
- 1...Qg6
- Tries
- 1.Sfxe6?
- threat
- 2.Qa4#
- 1...Qxe6
- 2.Bxe6#
- 1...S3xc5
- 2.b3#
- 1...S7xc5
- 2.Bxa6#
- 1...Qxc5!
- threat
- 1.Sxa6?
- threat
- 2.Qa4#
- 1...Qxc5
- 2.Bxe6#
- 1...S3xc5
- 2.b3#
- 1...S7xc5!
- threat
- 1.Scxe6?
- threat
- 2.Qa4#
- 1...Qxe6
- 2.Bxe6#
- 1...S3xc5
- 2.b3#
- 1...S7xc5
- 2.Bxa6#
- 1...Qxc5!
- threat
- 1.Bd4?
- threat
- 2.Qa4#
- 1...Qxc5
- 2.Bxe6#
- 1...S3xc5
- 2.b3#
- 1...S7xc5
- 2.Bxa6#
- 1...Sxd4!
- threat
- 1.Bxe6+?
- 1...Qd5
- 2.Bxd5#
- 2.Qxd5#
- 1...Qxe6!
- 1...Qd5
- 1.Bxb7?
- threat
- 2.Bxa6#
- 1...a5
- 2.Ba6#
- 2.Qb5#
- 1...Sd4!
- threat
- 1.Qxe6+?
- 1...Kxc5
- 2.Sd3#
- 1...Qd5
- 2.Qxd5#
- 1...Qxe6!
- 1...Kxc5
- 1.exf5?
- threat
- 2.Bxe6#
- 1...exf5
- 2.Be6#
- 2.Qd5#
- 1...Sd8
- 2.Bxa6#
- 1...e5
- 2.Be6#
- 2.Qd5#
- 1...Sd4!
- threat
- 1.Sfxe6?
- Keys
- 1.Sd3!
- threat
- 2.Qa4#
- 1...Qxc5
- 2.Bxe6#
- 1...S3xc5
- 2.b3#
- 1...S7xc5
- 2.Bxa6#
- threat
- 1.Sd3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 7
- Sets
- Q(d);N_GUARD::B(M),XP(f)
- Q(d);N_GUARD,XS(F)::B(M),XP(f)
- Q(d);N_GUARD,P_SPINQ(d),XP(G)::B(M),XP(f)
- S(b);OGATE,P_SPINS(b),XP(G)::P(A)
- S(g);OGATE::B(M),XP(e)
- S(g);OGATE,P_SPINS(g),XP(G)::B(M),XP(e)
- P(e);N_GUARD::QAB1(I)
- P(f);N_GUARD,S_CUTQ(d)::QAB1(I)
- Tries
- Try
- S(F);XP(f)
- Threat
- QAR2(I)
- Vars
- Q(d);OGATE,XS(F)::B(M),XQ(d)
- S(b);OGATE,P_SPINS(b),XP(G)::P(A)
- S(g);OGATE,P_SPINS(g),XP(G)::B(M),XP(e)
- Refutation
- Q(d);P_SPINQ(d),XP(G)
- Try
- S(K);XP(e)
- Threat
- QAR2(I)
- Vars
- Q(d);N_GUARD,P_SPINQ(d),XP(G)::B(M),XP(f)
- S(b);OGATE,P_SPINS(b),XP(G)::P(A)
- Refutation
- S(g);P_SPINS(g),XP(G)
- Try
- S(K);XP(f)
- Threat
- QAR2(I)
- Vars
- Q(d);OGATE,XS(K)::B(M),XQ(d)
- S(b);OGATE,P_SPINS(b),XP(G)::P(A)
- S(g);OGATE,P_SPINS(g),XP(G)::B(M),XP(e)
- Refutation
- Q(d);P_SPINQ(d),XP(G)
- Try
- B(J);
- Threat
- QAR2(I)
- Vars
- Q(d);N_GUARD,P_SPINQ(d),XP(G)::B(M),XP(f)
- S(b);OGATE,P_SPINS(b),XP(G)::P(A)
- S(g);OGATE,P_SPINS(g),XP(G)::B(M),XP(e)
- Refutation
- S(b);XB(J)
- Try
- B(M);CHECK,XP(f)
- Refutation
- Q(d);XB(M)
- Try
- B(M);XS(g)
- Threat
- B(M),XP(e)
- Refutation
- S(b);
- Try
- Q(I);CHECK,XP(f)
- Vars
- K(c);P-FLIGHT,XP(G)::S(F)
- Q(d);N_GUARD,P_SPINQ(d)::QAB1(I),XQ(d)
- Refutation
- Q(d);XQ(I)
- Try
- P(E);XQ(d)
- Threat
- B(M),XP(f)
- Vars
- S(g);OGATE::B(M),XP(e)
- Refutation
- S(b);
- Try
- Actual
- S(F);
- Threat
- QAR2(I)
- Vars
- Q(d);N_GUARD,P_SPINQ(d),XP(G)::B(M),XP(f)
- S(b);OGATE,P_SPINS(b),XP(G)::P(A)
- S(g);OGATE,P_SPINS(g),XP(G)::B(M),XP(e)
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).