MESON Chess Problem Database
Problem Display
PID: 245664 (4r3/3n4/1b1Q2bq/B4P2/3N3p/3pk1P1/2PN4/5K2 w - - 0 1)
Musante, Horacio Luis
Problemas, 1960
#2
8 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qf4+
- 2.Qxf4#
- 1...Qg7
- 2.Qf4#
- 1...Qf8
- 2.Qf4#
- 1...Qh5
- 2.Qf4#
- 1...Qh7
- 2.Qf4#
- 1...Qh8
- 2.Qf4#
- 1...Re4
- 2.Sc4#
- 1...Bxf5
- 2.Sxf5#
- 1...dxc2
- 2.Sxc2#
- 1...Qf4+
- Tries
- 1.Se2?
- threat
- 2.Qxd3#
- 1...Qf4+
- 2.Qxf4#
- 1...Bxf5
- 2.Qxh6#
- 1...dxc2
- 2.Qa3#
- 1...Bd4
- 2.Qxd4#
- 1...Sc5
- 2.Qd4#
- 1...Se5
- 2.Qxb6#
- 1...dxe2+!
- threat
- 1.S4b3?
- threat
- 2.Qxd3#
- 1...Qf4+
- 2.Qxf4#
- 1...Bxf5
- 2.Qxh6#
- 1...hxg3
- 2.Qxg3#
- 1...Bd4
- 2.Qxd4#
- 1...Sc5
- 2.Qd4#
- 1...Se5
- 2.Bxb6#
- 2.Qxb6#
- 1...dxc2!
- threat
- 1.S4f3?
- threat
- 2.Qxd3#
- 1...Bxf5
- 2.Qxh6#
- 1...dxc2
- 2.Qa3#
- 1...Bd4
- 2.Qxd4#
- 1...Sc5
- 2.Qd4#
- 1...Se5
- 2.Bxb6#
- 2.Qxb6#
- 1...hxg3!
- threat
- 1.Sc6?
- threat
- 2.Qxd3#
- 1...Qf4+
- 2.Qxf4#
- 1...Bxf5
- 2.Qxh6#
- 1...dxc2
- 2.Qa3#
- 1...hxg3
- 2.Qxg3#
- 1...Bd4
- 2.Qxd4#
- 1...Sc5
- 2.Qd4#
- 1...Se5!
- threat
- 1.Se6?
- threat
- 2.Qxd3#
- 1...Qf4+
- 2.Qxf4#
- 1...dxc2
- 2.Qa3#
- 1...Bd4
- 2.Qxd4#
- 1...Sc5
- 2.Qd4#
- 1...Se5
- 2.Qxe5#
- 2.Qxb6#
- 1...Bxf5!
- threat
- 1.Se2?
- Keys
- 1.Sb5!
- threat
- 2.Qxd3#
- 1...Qf4+
- 2.Qxf4#
- 1...Bxf5
- 2.Qxh6#
- 1...dxc2
- 2.Qa3#
- 1...hxg3
- 2.Qxg3#
- 1...Bd4
- 2.Qxd4#
- 1...Sc5
- 2.Qd4#
- 1...Se5
- 2.Qxb6#
- threat
- 1.Sb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 4
- REMOVED MATES = 6
- Sets
- Q(f);CHECK,N_GUARD::QAB1(H),XQ(f)
- Q(f);N_GUARD::QAB1(H)
- Q(f);N_GUARD,P_PINP(G)::QAB1(H)
- R(h);SBLOCK::S(C)
- B(e);XP(G)::S(E),XB(e)
- P(a);XP(B)::S(E),XP(a)
- Tries
- Try
- S(E);
- Threat
- QAR1(H),XP(a)
- Vars
- Q(f);CHECK,N_GUARD::QAB1(H),XQ(f)
- B(e);OGATE,XP(G)::QAB(H),XQ(f)
- P(a);OGATEB,XP(B)::QAR(H)
- B(d);N_GUARD::QAB1(H),XB(d)
- S(g);S_CUTB(d)::QAB1(H)
- S(g);N_GUARD::QAB(H),XB(d)
- Refutation
- P(a);CHECK,XS(E)
- Try
- S(E);
- Threat
- QAR1(H),XP(a)
- Vars
- Q(f);CHECK,N_GUARD::QAB1(H),XQ(f)
- B(e);OGATE,XP(G)::QAB(H),XQ(f)
- P(c);OGATE,XP(D)::QAR2(H),XP(c)
- B(d);N_GUARD::QAB1(H),XB(d)
- S(g);S_CUTB(d)::QAB1(H)
- Refutation
- P(a);XP(B)
- Try
- S(E);
- Threat
- QAR1(H),XP(a)
- Vars
- B(e);OGATE,XP(G)::QAB(H),XQ(f)
- P(a);OGATEB,XP(B)::QAR(H)
- B(d);N_GUARD::QAB1(H),XB(d)
- S(g);S_CUTB(d)::QAB1(H)
- Refutation
- P(c);XP(D)
- Try
- S(E);
- Threat
- QAR1(H),XP(a)
- Vars
- Q(f);CHECK,N_GUARD::QAB1(H),XQ(f)
- B(e);OGATE,XP(G)::QAB(H),XQ(f)
- P(a);OGATEB,XP(B)::QAR(H)
- P(c);OGATE,XP(D)::QAR2(H),XP(c)
- B(d);N_GUARD::QAB1(H),XB(d)
- S(g);S_CUTB(d)::QAB1(H)
- Refutation
- S(g);
- Try
- S(E);
- Threat
- QAR1(H),XP(a)
- Vars
- Q(f);CHECK,N_GUARD::QAB1(H),XQ(f)
- P(a);OGATEB,XP(B)::QAR(H)
- B(d);N_GUARD::QAB1(H),XB(d)
- S(g);S_CUTB(d)::QAB1(H)
- Refutation
- B(e);XP(G)
- Try
- Actual
- S(E);
- Threat
- QAR1(H),XP(a)
- Vars
- Q(f);CHECK,N_GUARD::QAB1(H),XQ(f)
- B(e);OGATE,XP(G)::QAB(H),XQ(f)
- P(a);OGATEB,XP(B)::QAR(H)
- P(c);OGATE,XP(D)::QAR2(H),XP(c)
- B(d);N_GUARD::QAB1(H),XB(d)
- S(g);S_CUTB(d)::QAB1(H)
- S(g);N_GUARD::QAB(H),XB(d)
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).