MESON Chess Problem Database
Problem Display
PID: 10750 (Q7/5RN1/1p2Pnp1/1P2k1P1/7K/2RB1p2/5B2/8 w - - 0 1)
Valois, Paul Stedman
The Problemist, 1967
#2
10 + 5
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Qe4#
- 2.Qb8#
- 1...Kd6
- 2.Bg3#
- 1...Kf4
- Tries
- 1.Bd4+?
- 1...Kf4
- 2.Rxf6#
- 2.Qe4#
- 2.Qb8#
- 1...Kd6
- 2.Qc6#
- 1...Kxd4!
- 1...Kf4
- 1.Be4?
- 1...Kf4
- 2.Bg3#
- 1...Kd6
- 2.Bg3#
- 2.Qb8#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sd7
- 2.Qd5#
- 1...Sh7
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Sxe4!
- 1...Kf4
- 1.Rc5+?
- 1...Kf4
- 2.Rxf6#
- 2.Qe4#
- 2.Qa4#
- 2.Qb8#
- 1...Kd6
- 2.Qc6#
- 2.Qb8#
- 2.Qf8#
- 1...Sd5
- 2.Rxd5#
- 2.Qxd5#
- 2.Qb8#
- 1...bxc5!
- 1...Kf4
- 1.Qe4+?
- 1...Kd6
- 2.Bg3#
- 2.Rc6#
- 1...Sxe4!
- 1...Kd6
- 1.gxf6?
- 1...Kf4
- 2.Qe4#
- 2.Qb8#
- 1...Kd6
- 2.Bg3#
- 1...g5+!
- 1...Kf4
- 1.Bd4+?
- Keys
- 1.Bc4!
- 1...Kf4
- 2.Bg3#
- 1...Kd6
- 2.Qb8#
- 1...Se4
- 2.Qd5#
- 1...Sg4
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sh5
- 2.Qd5#
- 1...Sd7
- 2.Qd5#
- 1...Sh7
- 2.Qd5#
- 1...Se8
- 2.Qd5#
- 1...Sg8
- 2.Qd5#
- 1...Kf4
- 1.Bc4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT::B(A)
- Tries
- Try
- B(A);CHECK
- Vars
- K(b);S_FLIGHT::QAR1(J)
- Refutation
- K(b);S_FLIGHT,XB(A)
- Try
- B(C);
- Vars
- K(b);P_SPINS(d),S_FLIGHT::B(A)
- S(d);N_GUARD::QAR1(J)
- S(d);N_GUARD::QAR1(J),XS(d)
- Refutation
- S(d);XB(C)
- Try
- R(B);CHECK
- Refutation
- P(c);XR(B)
- Try
- Q(J);CHECK
- Refutation
- S(d);XQ(J)
- Try
- P(F);XS(d)
- Vars
- K(b);S_FLIGHT::B(A)
- Refutation
- P(e);CHECK
- Try
- Actual
- B(C);
- Vars
- K(b);P_SPINS(d),S_FLIGHT::B(A)
- K(b);S_FLIGHT::QAB(J)
- S(d);N_GUARD::QAR1(J)
- S(d);N_GUARD::QAR1(J),XS(d)
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).