MESON Chess Problem Database
Problem Display
PID: 97304 (8/Kp5N/1Qp4N/1p1p4/1R2qk2/6p1/3P1bB1/5R2 w - - 0 1)
Stocchi, Ottavio
Le Probleme TT, 1949
#2
8 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qxb4
- 2.Qe3#
- 1...Qc4
- 2.Qe3#
- 1...Qd4
- 2.Qxd4#
- 1...c5
- 2.Qc7#
- 2.Qd6#
- 2.Qf6#
- 1...Qxb4
- Tries
- 1.Rxf2+?
- 1...gxf2
- 2.Qc7#
- 1...Ke5!
- 1...gxf2
- 1.Rd4?
- threat
- 2.Qc7#
- 1...Qxd4
- 2.Qxd4#
- 1...Ke5!
- threat
- 1.Qxf2+?
- 1...Ke5
- 2.Qf6#
- 1...gxf2!
- 1...Ke5
- 1.Qd4?
- 1...c5
- 2.Qf6#
- 1...b6
- 2.Qf6#
- 1...Qxd4+!
- 1...c5
- 1.Rxf2+?
- Keys
- 1.Qc5!
- 1...Ke5
- 2.Rxe4#
- 1...Qxb4
- 2.Qe3#
- 1...d4
- 2.Qg5#
- 1...Qc4
- 2.Qe3#
- 1...Qd4
- 2.Qxd4#
- 1...b6
- 2.Qd6#
- 1...Ke5
- 1.Qc5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Q(c);N_SPINQ(c),XR(D)::QAB1(E)
- Q(c);::QAB1(E)
- Q(c);::QAR2(E),XQ(c)
- Tries
- Try
- R(A);CHECK,N_SPINQ(E),XB(a)
- Vars
- P(b);XR(A)::QAB(E)
- Refutation
- K(d);N_SPINQ(c),S_FLIGHT
- Try
- R(D);N_SPINQ(E)
- Threat
- QAB(E)
- Vars
- Q(c);N_SPINQ(c),OGATE,P_PINQ(E),XR(D)::QAR2(E),XQ(c)
- Refutation
- K(d);N_SPINB(a),N_SPINQ(c),S_FLIGHT
- Try
- Q(E);CHECK,N_SPINQ(E),XB(a)
- Vars
- K(d);N_SPINQ(c),OGATE,S_FLIGHT::QAB1(E)
- Refutation
- P(b);P_SPINP(b),XQ(E)
- Try
- Q(E);
- Vars
- P(g);N_PINQ(E)::QAR2(E)
- P(h);N_PINQ(E)::QAR2(E)
- Refutation
- Q(c);CHECK,XQ(E)
- Try
- Actual
- Q(E);
- Vars
- K(d);N_SPINB(a),N_SPINQ(c),P_SPINP(f),S_FLIGHT::R1(D),XQ(c)
- Q(c);N_SPINQ(c),XR(D)::QAB1(E)
- P(f);N_PINQ(E),N_SPINQ(c)::QAB1(E)
- Q(c);::QAB1(E)
- Q(c);::QAR2(E),XQ(c)
- P(h);N_PINQ(E)::QAB(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).