MESON Chess Problem Database
Problem Display
PID: 77656 (8/3R4/3bN3/4kB2/6K1/8/8/7Q w - - 0 1)
Wassong, Pascal
Europe Echecs, 1986
#2
5 + 2
SOLUTION
- SOUND
- Sets
- 1...Kf6
- 2.Qh8#
- 1...Ba3
- 2.Qh8#
- 1...Bb4
- 2.Qh8#
- 1...Bc5
- 2.Qh8#
- 1...Bc7
- 2.Qa1#
- 2.Qh8#
- 1...Be7
- 2.Qa1#
- 1...Bb8
- 2.Qa1#
- 2.Qh8#
- 1...Bf8
- 2.Qa1#
- 1...Kf6
- Tries
- 1.Sf4?
- threat
- 2.Qa1#
- 2.Qh8#
- 1...Kf6
- 2.Qh8#
- 1...Ba3
- 2.Qh8#
- 1...Bb4
- 2.Qh8#
- 1...Bc5
- 2.Qh8#
- 1...Be7
- 2.Qa1#
- 1...Bf8
- 2.Qa1#
- 1...Kd4!
- threat
- 1.Sc5?
- 1...Kf6
- 2.Qh8#
- 1...Bxc5
- 2.Qh8#
- 1...Bc7
- 2.Qa1#
- 2.Qh8#
- 1...Be7
- 2.Qa1#
- 1...Bb8
- 2.Qa1#
- 2.Qh8#
- 1...Bf8
- 2.Qa1#
- 1...Kd4!
- 1...Kf6
- 1.Sg5?
- 1...Kf6
- 2.Qh8#
- 1...Ba3
- 2.Qh8#
- 1...Bb4
- 2.Qh8#
- 1...Bc5
- 2.Qh8#
- 1...Bc7
- 2.Qa1#
- 2.Qh8#
- 1...Be7
- 2.Qa1#
- 1...Bb8
- 2.Qa1#
- 2.Qh8#
- 1...Bf8
- 2.Qa1#
- 1...Kd4!
- 1...Kf6
- 1.Sc7?
- threat
- 2.Qa1#
- 2.Qh8#
- 1...Kf6
- 2.Qh8#
- 1...Ba3
- 2.Qh8#
- 1...Bb4
- 2.Qh8#
- 1...Bc5
- 2.Qh8#
- 1...Be7
- 2.Qa1#
- 1...Bf8
- 2.Qa1#
- 1...Kd4!
- threat
- 1.Sd8?
- 1...Kf6
- 2.Qh8#
- 1...Ba3
- 2.Qh8#
- 1...Bb4
- 2.Qh8#
- 1...Bc5
- 2.Qh8#
- 1...Bc7
- 2.Qa1#
- 2.Qh8#
- 1...Be7
- 2.Qa1#
- 1...Bb8
- 2.Qa1#
- 2.Qh8#
- 1...Bf8
- 2.Qa1#
- 1...Kd4!
- 1...Kf6
- 1.Sf8?
- 1...Kf6
- 2.Qh8#
- 1...Bxf8
- 2.Qa1#
- 1...Ba3
- 2.Qh8#
- 1...Bb4
- 2.Qh8#
- 1...Bc5
- 2.Qh8#
- 1...Bc7
- 2.Qa1#
- 2.Qh8#
- 1...Be7
- 2.Qa1#
- 1...Bb8
- 2.Qa1#
- 2.Qh8#
- 1...Kd4!
- 1...Kf6
- 1.Rd8?
- 1...Ba3
- 2.Qh8#
- 1...Bb4
- 2.Qh8#
- 1...Bc5
- 2.Qh8#
- 1...Bc7
- 2.Qa1#
- 2.Qh8#
- 1...Be7
- 2.Qa1#
- 1...Bb8
- 2.Qa1#
- 2.Qh8#
- 1...Bf8
- 2.Qa1#
- 1...Kf6!
- 1...Ba3
- 1.Qe1+?
- 1...Kd5
- 2.Qe4#
- 1...Kf6!
- 1...Kd5
- 1.Qh2+?
- 1...Kf6
- 2.Qh8#
- 1...Kd5!
- 1...Kf6
- 1.Qh3?
- 1...Kf6
- 2.Qh8#
- 1...Bb4
- 2.Qh8#
- 1...Ba3
- 2.Qc3#
- 2.Qh8#
- 1...Bc5
- 2.Qh8#
- 1...Bc7
- 2.Qc3#
- 2.Qh8#
- 1...Be7
- 2.Qc3#
- 1...Bb8
- 2.Qc3#
- 2.Qh8#
- 1...Bf8
- 2.Qc3#
- 1...Kd5!
- 1...Kf6
- 1.Sf4?
- Keys
- 1.Qa8!
- 1...Kf6
- 2.Qh8#
- 1...Bb4
- 2.Qh8#
- 1...Ba3
- 2.Qh8#
- 1...Bc5
- 2.Qh8#
- 1...Bc7
- 2.Qa1#
- 2.Qh8#
- 1...Be7
- 2.Qa1#
- 1...Bb8
- 2.Qa1#
- 1...Bf8
- 2.Qa1#
- 1...Kf6
- 1.Qa8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(a);S_FLIGHT::QAB(A)
- B(b);::QAB(A)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- K(a);S_FLIGHT::QAB(A)
- B(b);::QAB(A)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- S(D);
- Vars
- K(a);S_FLIGHT::QAB(A)
- B(b);XS(D)::QAB(A)
- B(b);::QAB(A)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- S(D);
- Vars
- K(a);S_FLIGHT::QAB(A)
- B(b);::QAB(A)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- K(a);S_FLIGHT::QAB(A)
- B(b);::QAB(A)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- S(D);
- Vars
- K(a);S_FLIGHT::QAB(A)
- B(b);::QAB(A)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- S(D);
- Vars
- K(a);S_FLIGHT::QAB(A)
- B(b);XS(D)::QAB(A)
- B(b);::QAB(A)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- R(E);
- Vars
- B(b);::QAB(A)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(a);P-FLIGHT,P_SPINB(b)::QAB1(A)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(A);CHECK
- Vars
- K(a);S_FLIGHT::QAB(A)
- Refutation
- K(a);P-FLIGHT,P_SPINB(b)
- Try
- Q(A);
- Vars
- K(a);S_FLIGHT::QAB(A)
- B(b);::QAB(A)
- Refutation
- K(a);P-FLIGHT,P_SPINB(b)
- Try
- Actual
- Q(A);
- Vars
- K(a);S_FLIGHT::QAB(A)
- B(b);::QAB(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).