MESON Chess Problem Database
Problem Display
PID: 56035 (B3N2B/3PQ3/3Pb2P/3Rq3/4kp1K/3p1p2/3P1P2/8 w - - 0 1)
Mansfield, Comins
5th HM., Suomen Shakki, 1979
#2
11 + 6
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Kf5
- 2.Qh7#
- 1...Qa1
- 2.Ra5#
- 1...Qb2
- 2.Rb5#
- 1...Qc3
- 2.Rc5#
- 1...Qd4
- 2.Re5#
- 1...Qxd6
- 2.Sxd6#
- 2.Sf6#
- 1...Qf6+
- 2.Sxf6#
- 1...Qxd5
- 2.Qxe6#
- 1...Qf5
- 2.Rd4#
- 1...Qg5+
- 2.Rxg5#
- 1...Qh5+
- 2.Rxh5#
- 1...Bh3
- 2.Qxe5#
- 1...Bg4
- 2.Qxe5#
- 1...Bxd5
- 2.Qxe5#
- 1...Bf5
- 2.Sf6#
- 2.Qxe5#
- 1...Bxd7
- 2.Qxe5#
- 1...Bf7
- 2.Qxe5#
- 1...Bg8
- 2.Qxe5#
- 1...Kf5
- Tries
- 1.Sf6+?
- 1...Kf5
- 2.Qh7#
- 1...Qxf6+!
- 1...Kf5
- 1.Rd4+?
- 1...Kf5
- 2.Qg5#
- 2.Qh7#
- 1...Kxd4!
- 1...Kf5
- 1.Ra5+?
- 1...Kf5
- 2.Qg5#
- 2.Qf6#
- 2.Qh7#
- 1...Qd5
- 2.Qxe6#
- 1...Bd5
- 2.Qxe5#
- 1...Kd4!
- 1...Kf5
- 1.Rb5+?
- 1...Kf5
- 2.Qg5#
- 2.Qf6#
- 2.Qh7#
- 1...Qd5
- 2.Qxe6#
- 1...Bd5
- 2.Qxe5#
- 1...Kd4!
- 1...Kf5
- 1.Rc5+?
- 1...Kf5
- 2.Qg5#
- 2.Qf6#
- 2.Qh7#
- 1...Qd5
- 2.Qxe6#
- 1...Bd5
- 2.Qxe5#
- 1...Kd4!
- 1...Kf5
- 1.Qh7+?
- 1...Qf5
- 2.Sf6#
- 2.Rd4#
- 1...Bf5!
- 1...Qf5
- 1.Sf6+?
- Keys
- 1.Bf6!
- 1...Qxf6+
- 2.Sxf6#
- 1...Qg5+
- 2.Rxg5#
- 1...Qh5+
- 2.Rxh5#
- 1...Kf5
- 2.Qh7#
- 1...Qxd6
- 2.Sxd6#
- 1...Qxd5
- 2.Qxe6#
- 1...Bxd5
- 2.Qxe5#
- 1...Bxd7
- 2.Qxe5#
- 1...Qa1
- 2.Ra5#
- 1...Qb2
- 2.Rb5#
- 1...Qc3
- 2.Rc5#
- 1...Qd4
- 2.Re5#
- 1...Qf5
- 2.Rd4#
- 1...Bh3
- 2.Qxe5#
- 1...Bg4
- 2.Qxe5#
- 1...Bf5
- 2.Qxe5#
- 1...Bf7
- 2.Qxe5#
- 1...Bg8
- 2.Qxe5#
- 1...Qxf6+
- 1.Bf6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(c);P_SPINQ(e),S_FLIGHT::QAB(H)
- Q(e);N_GUARD,P_SPINB(f)::B(I)+R(D)
- Q(e);P_SPINB(f),SBLOCK::B(I)+R(D),DCHECK
- Q(e);CHECK,N_GUARD,P_SPINB(f)::S(J),XQ(e)
- Q(e);OGATEB,P_SPINB(f),P_SPINQ(e),XR(D)::QAR2(H),XB(f)
- Q(e);CHECK,OGATE,P_SPINB(f)::B(I)+R(D),XQ(e)
- B(f);OGATE,P_SPINQ(e)::QAR1(H),XQ(e)
- B(f);OGATE,P_SPINB(f),P_SPINQ(e),XR(D)::QAR1(H),XQ(e)
- B(f);OGATE,P_SPINQ(e),XP(G)::QAR1(H),XQ(e)
- Tries
- Try
- S(J);CHECK
- Vars
- K(c);P_SPINQ(e),S_FLIGHT::QAB(H)
- Refutation
- Q(e);CHECK,P_SPINB(f),XS(J)
- Try
- R(D);CHECK
- Refutation
- K(c);P-FLIGHT,P_SPINQ(e),XR(D)
- Try
- R(D);CHECK
- Vars
- Q(e);P_SPINB(f),P_SPINQ(e)::QAR2(H),XB(f)
- B(f);OGATE,P_SPINB(f),P_SPINQ(e)::QAR1(H),XQ(e)
- Refutation
- K(c);P-FLIGHT,P_SPINQ(e)
- Try
- R(D);CHECK
- Vars
- Q(e);P_SPINB(f),P_SPINQ(e)::QAR2(H),XB(f)
- B(f);OGATE,P_SPINB(f),P_SPINQ(e)::QAR1(H),XQ(e)
- Refutation
- K(c);P-FLIGHT,P_SPINQ(e)
- Try
- R(D);CHECK
- Vars
- Q(e);P_SPINB(f),P_SPINQ(e)::QAR2(H),XB(f)
- B(f);OGATE,P_SPINB(f),P_SPINQ(e)::QAR1(H),XQ(e)
- Refutation
- K(c);P-FLIGHT,P_SPINQ(e)
- Try
- Q(H);CHECK
- Refutation
- B(f);P_SPINB(f)
- Try
- Actual
- B(K);
- Vars
- Q(e);CHECK,P_SPINB(f),XB(K)::S(J),XQ(e)
- Q(e);CHECK,OGATE,P_SPINB(f)::B(I)+R(D),XQ(e)
- K(c);P_SPINQ(e),S_FLIGHT::QAB(H)
- Q(e);P_SPINB(f),XP(E)::S(J),XQ(e)
- Q(e);OGATEB,P_SPINB(f),P_SPINQ(e),XR(D)::QAR2(H),XB(f)
- B(f);OGATE,P_SPINB(f),P_SPINQ(e),XR(D)::QAR1(H),XQ(e)
- B(f);OGATE,P_SPINQ(e),XP(G)::QAR1(H),XQ(e)
- Q(e);N_GUARD,P_SPINB(f)::B(I)+R(D)
- Q(e);P_SPINB(f),SBLOCK::B(I)+R(D),DCHECK
- B(f);OGATE,P_SPINQ(e)::QAR1(H),XQ(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).