MESON Chess Problem Database
Problem Display
PID: 50657 (8/8/p2pp1P1/R1bnkp2/7Q/3R1K2/3P4/8 w - - 0 1)
Healey, Percy E
Chess Amateur (The), 1907
#2
6 + 7
SOLUTION
- SOUND
- Sets
- 1...Bg1
- 2.Qh8#
- 1...Bf2
- 2.Qh8#
- 1...Ba3
- 2.Re3#
- 2.Qd4#
- 2.Qh8#
- 1...Be3
- 2.Rxe3#
- 2.Qh8#
- 1...Bb4
- 2.Re3#
- 2.Qd4#
- 2.Qh8#
- 1...Bd4
- 2.Qxd4#
- 2.Qh8#
- 1...Bb6
- 2.Qh8#
- 1...Ba7
- 2.Qh8#
- 1...Sc3
- 2.Qd4#
- 2.Qh8#
- 1...Se3
- 2.Qd4#
- 2.Qh8#
- 1...Sb4
- 2.Qd4#
- 2.Qh8#
- 1...Sf4
- 2.Qh8#
- 1...Sb6
- 2.Qd4#
- 2.Qh8#
- 1...Sf6
- 2.Qd4#
- 2.Qf4#
- 1...Sc7
- 2.Qd4#
- 2.Qh8#
- 1...Se7
- 2.Qd4#
- 2.Qh8#
- 1...f4
- 2.Qg5#
- 1...Bg1
- Tries
- 1.Re3+?
- 1...Bxe3
- 2.Qh8#
- 1...Sxe3!
- 1...Bxe3
- 1.Rd4?
- 1...Bxd4
- 2.Qh8#
- 1...Sf4
- 2.Qh8#
- 1...Ba3
- 2.Qh8#
- 1...Bb4
- 2.Qh8#
- 1...Bb6
- 2.Qh8#
- 1...Ba7
- 2.Qh8#
- 1...Sc3
- 2.Qh8#
- 1...Se3
- 2.Qh8#
- 1...Sb4
- 2.Qh8#
- 1...Sb6
- 2.Qh8#
- 1...Sf6
- 2.Qf4#
- 1...Sc7
- 2.Qh8#
- 1...Se7
- 2.Qh8#
- 1...f4!
- 1...Bxd4
- 1.Rxc5?
- threat
- 2.Re3#
- 2.Qd4#
- 2.Qh8#
- 1...f4
- 2.Qg5#
- 2.Qxf4#
- 1...dxc5!
- threat
- 1.Qe7?
- 1...f4
- 2.Qg5#
- 1...Bg1
- 2.Rdxd5#
- 2.Raxd5#
- 2.Qg7#
- 1...Bf2
- 2.Rdxd5#
- 2.Raxd5#
- 2.Qg7#
- 1...Ba3
- 2.Rdxd5#
- 2.Raxd5#
- 2.Qg7#
- 1...Be3
- 2.Rdxd5#
- 2.Raxd5#
- 2.Qg7#
- 1...Bb4
- 2.Rdxd5#
- 2.Raxd5#
- 2.Qg7#
- 1...Bd4
- 2.Qg7#
- 1...Bb6
- 2.Rdxd5#
- 2.Raxd5#
- 2.Qg7#
- 1...Ba7
- 2.Rdxd5#
- 2.Raxd5#
- 2.Qg7#
- 1...Sc3
- 2.Qg7#
- 1...Se3
- 2.Qg7#
- 1...Sb4
- 2.Qg7#
- 1...Sf4
- 2.Qg7#
- 1...Sb6
- 2.Qg7#
- 1...Sf6
- 2.Qxd6#
- 1...Sc7
- 2.Qg7#
- 1...Sxe7!
- 1...f4
- 1.Qh6?
- 1...f4
- 2.Qg5#
- 1...Bg1
- 2.Qg7#
- 2.Qh8#
- 1...Bf2
- 2.Qg7#
- 2.Qh8#
- 1...Ba3
- 2.Qg7#
- 2.Qh8#
- 1...Be3
- 2.Qg7#
- 2.Qh8#
- 1...Bb4
- 2.Qg7#
- 2.Qh8#
- 1...Bd4
- 2.Qg7#
- 2.Qh8#
- 1...Bb6
- 2.Qg7#
- 2.Qh8#
- 1...Ba7
- 2.Qg7#
- 2.Qh8#
- 1...Sc3
- 2.Qg7#
- 2.Qh8#
- 1...Se3
- 2.Qg7#
- 2.Qh8#
- 1...Sb4
- 2.Qg7#
- 2.Qh8#
- 1...Sf4
- 2.Qg7#
- 2.Qh8#
- 1...Sb6
- 2.Qg7#
- 2.Qh8#
- 1...Sf6
- 2.Qf4#
- 1...Sc7
- 2.Qg7#
- 2.Qh8#
- 1...Se7
- 2.Qg7#
- 2.Qh8#
- 1...Kf6!
- 1...f4
- 1.Re3+?
- Keys
- 1.Qd8!
- 1...Se7
- 2.Qh8#
- 1...f4
- 2.Qg5#
- 1...Bg1
- 2.Qh8#
- 1...Bf2
- 2.Qh8#
- 1...Ba3
- 2.Qh8#
- 1...Be3
- 2.Qh8#
- 1...Bb4
- 2.Qh8#
- 1...Bd4
- 2.Qh8#
- 1...Bb6
- 2.Qh8#
- 1...Ba7
- 2.Qh8#
- 1...Sc3
- 2.Qh8#
- 1...Se3
- 2.Qh8#
- 1...Sb4
- 2.Qh8#
- 1...Sf4
- 2.Qh8#
- 1...Sb6
- 2.Qh8#
- 1...Sf6
- 2.Qxd6#
- 1...Sc7
- 2.Qh8#
- 1...Se7
- 1.Qd8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- B(a);P_SPINS(b)::QAB(D)
- S(b);N_GUARD,P_SPINB(a)::QAB(D)
- P(d);OGATEB::QAR2(D)
- Tries
- Try
- R(B);CHECK
- Vars
- B(a);P_SPINS(b),XR(B)::QAB(D)
- Refutation
- S(b);P_SPINB(a),XR(B)
- Try
- R(B);
- Vars
- B(a);P_SPINS(b),SBLOCK,XR(B)::QAB(D)
- S(b);N_GUARD,P_SPINB(a)::QAB(D)
- B(a);P_SPINS(b)::QAB(D)
- S(b);N_GUARD,P_SPINB(a),SBLOCK::QAB1(D)
- Refutation
- P(d);
- Try
- R(E);P_PINS(b),XB(a)
- Threat
- DUALS(3)
- Refutation
- P(f);N_SPINS(b),XR(E)
- Try
- Q(D);P_PINP(g)
- Vars
- P(d);OGATEB::QAR2(D)
- B(a);P_SPINS(b)::QAB(D)
- S(b);N_GUARD,P_SPINB(a)::QAB(D)
- S(b);P_SPINB(a),SBLOCK::QAB1(D),XP(f)
- Refutation
- S(b);N_SPINP(g),P_SPINB(a),XQ(D)
- Try
- Q(D);
- Vars
- P(d);OGATEB::QAR2(D)
- S(b);N_GUARD,P_SPINB(a),SBLOCK::QAB1(D)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- Q(D);
- Vars
- S(b);N_GUARD,P_SPINB(a)::QAB(D)
- P(d);OGATEB::QAR2(D)
- B(a);P_SPINS(b)::QAB(D)
- S(b);P_SPINB(a),SBLOCK::QAB1(D),XP(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).