MESON Chess Problem Database
Problem Display
PID: 275095 (8/4K3/2p5/3kp3/1P5N/1PP5/1NPB4/Q7 w - - 0 1)
Tucakov, J
Mat, 1980
#2
9 + 3
SOLUTION
- SOUND
- Sets
- 1...Ke4
- 2.Qh1#
- 1...c5
- 2.Qa8#
- 1...Ke4
- Tries
- 1.Kd7?
- 1...Ke4
- 2.Qh1#
- 1...c5
- 2.Qa8#
- 1...e4!
- 1...Ke4
- 1.Sd1?
- 1...c5
- 2.Qa8#
- 1...e4
- 2.c4#
- 1...Ke4!
- 1...c5
- 1.Sa4?
- 1...Ke4
- 2.Qh1#
- 1...e4
- 2.c4#
- 1...c5!
- 1...Ke4
- 1.Sc4?
- 1...Ke4
- 2.Qh1#
- 1...c5
- 2.Qa8#
- 1...e4!
- 1...Ke4
- 1.Sf3?
- 1...c5
- 2.Qa8#
- 1...e4
- 2.c4#
- 1...Ke4!
- 1...c5
- 1.Bg5?
- 1...Ke4
- 2.Qh1#
- 1...c5
- 2.Qa8#
- 1...e4!
- 1...Ke4
- 1.Bh6?
- 1...Ke4
- 2.Qh1#
- 1...c5
- 2.Qa8#
- 1...e4!
- 1...Ke4
- 1.Qd1?
- 1...Ke4
- 2.Qf3#
- 2.Qh1#
- 1...e4
- 2.Bf4#
- 2.Qh5#
- 1...c5!
- 1...Ke4
- 1.Qf1?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Ke4
- 2.Qg2#
- 2.Qd3#
- 2.Qc4#
- 2.Qh1#
- 2.Qf3#
- 1...e4
- 2.Qf5#
- 1...c5!
- threat
- 1.Qg1?
- 1...Ke4
- 2.Qh1#
- 2.Qg2#
- 1...e4
- 2.Qd4#
- 2.Qc5#
- 2.Qg5#
- 1...c5!
- 1...Ke4
- 1.Qa4?
- 1...Ke4
- 2.Qxc6#
- 1...c5
- 2.Qa8#
- 1...e4!
- 1...Ke4
- 1.Qa5+?
- 1...c5
- 2.Qa8#
- 1...Ke4!
- 1...c5
- 1.Qa6?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Ke4
- 2.Qd3#
- 2.Qc4#
- 2.Qxc6#
- 1...c5
- 2.Qb7#
- 2.Qa8#
- 1...e4!
- threat
- 1.Qa7?
- 1...c5
- 2.Qb7#
- 2.Qa8#
- 1...e4
- 2.Qd4#
- 2.Qc5#
- 1...Ke4!
- 1...c5
- 1.Qa8?
- 1...Ke4
- 2.Qxc6#
- 1...e4!
- 1...Ke4
- 1.Kd7?
- Keys
- 1.Sd3!
- 1...Ke4
- 2.Qh1#
- 1...c5
- 2.Qa8#
- 1...e4
- 2.c4#
- 1...Ke4
- 1.Sd3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(a);S_CUTP(b),S_FLIGHT::QAB(A)
- P(c);OGATEB::QAB(A)
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- K(a);S_CUTP(b),S_FLIGHT::QAB(A)
- P(c);OGATEB::QAB(A)
- Refutation
- P(b);
- Try
- S(B);
- Vars
- P(c);OGATEB::QAB(A)
- P(b);SBLOCK::P(F)
- Refutation
- K(a);S_FLIGHT
- Try
- S(B);
- Vars
- K(a);S_CUTP(b),S_FLIGHT::QAB(A)
- P(b);SBLOCK::P(F)
- Refutation
- P(c);
- Try
- S(B);
- Vars
- K(a);S_CUTP(b),S_FLIGHT::QAB(A)
- P(c);OGATEB::QAB(A)
- Refutation
- P(b);
- Try
- S(H);
- Vars
- P(c);OGATEB::QAB(A)
- P(b);SBLOCK::P(F)
- Refutation
- K(a);S_FLIGHT
- Try
- B(D);
- Vars
- K(a);S_CUTP(b),S_FLIGHT::QAB(A)
- P(c);OGATEB::QAB(A)
- Refutation
- P(b);
- Try
- B(D);
- Vars
- K(a);S_CUTP(b),S_FLIGHT::QAB(A)
- P(c);OGATEB::QAB(A)
- Refutation
- P(b);
- Try
- Q(A);
- Refutation
- P(c);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- P(b);OGATEB::QAR2(A)
- Refutation
- P(c);
- Try
- Q(A);
- Refutation
- P(c);
- Try
- Q(A);
- Vars
- K(a);N_GUARD,S_FLIGHT::QAB(A),XP(c)
- P(c);OGATEB::QAB(A)
- Refutation
- P(b);
- Try
- Q(A);CHECK
- Vars
- P(c);OGATEB,P_SPINP(c)::QAB(A)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(A);
- Threat
- DUALS(2)
- Refutation
- P(b);
- Try
- Q(A);
- Refutation
- K(a);S_FLIGHT
- Try
- Q(A);P_PINP(c)
- Vars
- K(a);N_GUARD,S_FLIGHT::QAB(A),XP(c)
- Refutation
- P(b);
- Try
- Actual
- S(B);
- Vars
- K(a);S_CUTP(b),S_FLIGHT::QAB(A)
- P(c);OGATEB::QAB(A)
- P(b);SBLOCK::P(F)
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).