MESON Chess Problem Database
Problem Display
PID: 107090 (Kn6/4N3/p7/3QBb2/pk3qRr/p1RBb3/1r6/2N5 w - - 0 1)
Kapros, Jorge Marcelo
De Waarheid, 1978
#2
8 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qc4
- 2.Rcxc4#
- 1...Qd4
- 2.Qc5#
- 1...Rb1
- 2.Sa2#
- 1...Ra2
- 2.Sxa2#
- 1...Rb3
- 2.Sa2#
- 1...Bxc1
- 2.Qc5#
- 1...Bd2
- 2.Qc5#
- 1...Bd4
- 2.Rc4#
- 1...Bc5
- 2.Qxc5#
- 1...Bxd3
- 2.Sxd3#
- 1...Be4
- 2.Rc4#
- 1...Sc6
- 2.Sxc6#
- 1...Sd7
- 2.Sc6#
- 1...a5
- 2.Qb5#
- 1...Qc4
- Tries
- 1.Be4?
- threat
- 2.Sd3#
- 2.Rc4#
- 1...Qxe5
- 2.Rc4#
- 1...Qxe4
- 2.Sd3#
- 1...Bxc1
- 2.Qc5#
- 1...Bxe4
- 2.Rc4#
- 1...Bd4
- 2.Rc4#
- 1...Bc5
- 2.Qxc5#
- 1...Rc2
- 2.Sd3#
- 1...Rd2
- 2.Rc4#
- 1...a2
- 2.Sd3#
- 1...Qf1!
- threat
- 1.Bxf5?
- threat
- 2.Sd3#
- 1...Bxc1
- 2.Qc5#
- 1...Qd4
- 2.Qc5#
- 1...Bd4
- 2.Rc4#
- 1...Bc5
- 2.Qxc5#
- 1...Rd2!
- threat
- 1.Bd4?
- threat
- 2.Rc4#
- 2.Qc5#
- 1...Qxd4
- 2.Qc5#
- 1...Bxc1
- 2.Qc5#
- 1...Bxd4
- 2.Rc4#
- 1...Bxd3
- 2.Sxd3#
- 2.Qc5#
- 1...Qe5
- 2.Rc4#
- 1...Qd6
- 2.Rc4#
- 1...Qf3
- 2.Rc4#
- 1...Qe4
- 2.Rc4#
- 1...Rc2
- 2.Qc5#
- 1...Be4
- 2.Rc4#
- 1...Sd7
- 2.Sc6#
- 2.Rc4#
- 1...a2
- 2.Qc5#
- 1...Qc7!
- threat
- 1.Bd6+?
- 1...Bc5
- 2.Qxc5#
- 1...Kxc3!
- 1...Bc5
- 1.Rb3+?
- 1...Rxb3
- 2.Sa2#
- 1...axb3!
- 1...Rxb3
- 1.Rxf4+?
- 1...Bd4
- 2.Rc4#
- 2.Qc5#
- 1...Bxf4
- 2.Rc4#
- 2.Qc5#
- 1...Be4
- 2.Rc4#
- 1...Rxf4!
- 1...Bd4
- 1.Qb7+?
- 1...Bb6
- 2.Qxb6#
- 1...Ka5!
- 1...Bb6
- 1.Qd6+?
- 1...Bc5
- 2.Qxc5#
- 1...Ka5!
- 1...Bc5
- 1.Be4?
- Keys
- 1.Bxa6!
- threat
- 2.Qb5#
- 1...Sxa6
- 2.Sc6#
- 1...Qd4
- 2.Qc5#
- 1...Bd4
- 2.Rc4#
- 1...Bc5
- 2.Qxc5#
- 1...Qe4
- 2.Sd3#
- 1...Bd3
- 2.Sxd3#
- 1...Be4
- 2.Rc4#
- 1...Bd7
- 2.Sd3#
- threat
- 1.Bxa6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- Q(f);N_GUARD::R1(B),XQ(f)
- Q(f);S_CUTB(c)::QAB1(E)
- R(a);N_GUARD::S(A)
- R(a);N_GUARD::S(A),XR(a)
- B(c);N_GUARD,XS(A)::QAB1(E)
- B(c);N_GUARD::QAB1(E)
- B(c);N_SPINQ(f),S_CUTQ(f)::R1(B)
- B(c);N_GUARD::QAB1(E),XB(c)
- B(h);XB(C)::S(A),XB(h)
- B(h);N_SPINQ(f),P_PINQ(E),S_CUTQ(f)::R1(B)
- S(j);N_GUARD::S(G),XS(j)
- S(j);N_GUARD::S(G)
- P(i);N_GUARD::QAR1(E)
- Tries
- Try
- B(C);N_PINQ(f)
- Threat
- DUALS(2)
- Vars
- Q(f);XB(F)::R1(B)
- Q(f);P_PINQ(E),P_SPINQ(f),XB(C)::S(A)
- B(c);N_GUARD,XS(A)::QAB1(E)
- B(h);P_PINQ(E),XB(C)::R1(B)
- B(c);::R1(B)
- B(c);N_GUARD::QAB1(E),XB(c)
- R(a);::S(A)
- R(a);::R1(B)
- P(b);::S(A)
- Refutation
- Q(f);
- Try
- B(C);XB(h)
- Threat
- S(A)
- Vars
- B(c);N_GUARD,XS(A)::QAB1(E)
- Q(f);S_CUTB(c)::QAB1(E)
- B(c);N_SPINQ(f),S_CUTQ(f)::R1(B)
- B(c);N_GUARD::QAB1(E),XB(c)
- Refutation
- R(a);
- Try
- B(F);N_PINQ(f)
- Threat
- DUALS(2)
- Vars
- Q(f);P_SPINQ(f),XB(F)::QAB1(E)
- B(c);XS(A)::QAB1(E)
- B(c);XB(F)::R1(B)
- Q(f);::R1(B)
- Q(f);P_PINQ(E)::R1(B)
- R(a);::QAB1(E)
- B(h);P_PINQ(E)::R1(B)
- P(b);::QAB1(E)
- Refutation
- Q(f);
- Try
- B(F);CHECK
- Vars
- B(c);N_GUARD,P_SPINB(c)::QAB1(E),XB(c)
- Refutation
- K(e);N_SPINQ(f),S_FLIGHT,XR(B)
- Try
- R(B);CHECK
- Vars
- R(a);XR(B)::S(A)
- Refutation
- P(d);XR(B)
- Try
- R(D);CHECK,XQ(f)
- Vars
- B(h);P_PINQ(E),P_SPINB(h)::R1(B)
- Refutation
- R(g);XR(D)
- Try
- Q(E);CHECK
- Vars
- B(c);N_GUARD,P_SPINB(c)::QAR2(E),XB(c)
- Refutation
- K(e);N_SPINQ(f),S_FLIGHT
- Try
- Q(E);CHECK
- Vars
- B(c);N_GUARD,P_SPINB(c)::QAB1(E),XB(c)
- Refutation
- K(e);N_SPINQ(f),S_FLIGHT
- Try
- Actual
- B(C);XP(i)
- Threat
- QAR1(E)
- Vars
- S(j);N_GUARD,XB(C)::S(G)
- Q(f);S_CUTB(c)::QAB1(E)
- B(c);N_SPINQ(f),S_CUTQ(f)::R1(B)
- B(c);N_GUARD::QAB1(E),XB(c)
- Q(f);P_PINQ(E),S_CUTB(h)::S(A)
- B(h);N_GUARD::S(A),XB(h)
- B(h);N_SPINQ(f),P_PINQ(E),S_CUTQ(f)::R1(B)
- B(h);N_GUARD::S(A)
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).