MESON Chess Problem Database
Problem Display
PID: 270904 (3B1n2/3p3n/3PprpK/4P3/4QN1k/4bP2/3p1N1P/3B4 w - - 0 1)
Schumann, Hans H
Sunday Referee, 1932
(First published on Sun Jul 17 1932)
#2
10 + 9
| 15239 | Valois Notebooks | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.Se2#
- 2.Sg2#
- 2.S4d3#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sxg6#
- 1...Bxf4+
- 2.Qxf4#
- 1...Bc5
- 2.Se2#
- 2.Sg2#
- 2.S4d3#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sxg6#
- 1...Bb6
- 2.Se2#
- 2.Sg2#
- 2.S4d3#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sxg6#
- 1...Ba7
- 2.Se2#
- 2.Sg2#
- 2.S4d3#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sxg6#
- 1...Sg5
- 2.Sg2#
- 2.Sxg6#
- 1...g5+
- 2.Sg6#
- 1...Bd4
- Tries
- 1.Bxf6+?
- 1...Sg5
- 2.Sg2#
- 2.Sxg6#
- 2.Bxg5#
- 1...g5
- 2.Sg2#
- 2.Sg6#
- 1...Sxf6!
- 1...Sg5
- 1.Be7?
- 1...Bxf4+
- 2.Qxf4#
- 1...g5+
- 2.Sg6#
- 1...Bd4
- 2.Se2#
- 2.Sg2#
- 2.S4d3#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sxg6#
- 1...Bc5
- 2.Se2#
- 2.Sg2#
- 2.S4d3#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sxg6#
- 1...Bb6
- 2.Se2#
- 2.Sg2#
- 2.S4d3#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sxg6#
- 1...Ba7
- 2.Se2#
- 2.Sg2#
- 2.S4d3#
- 2.S4h3#
- 2.Sd5#
- 2.Sh5#
- 2.Sxe6#
- 2.Sxg6#
- 1...Sg5
- 2.Sg2#
- 2.Sxg6#
- 1...Bxf2!
- 1...Bxf4+
- 1.Qa4?
- 1...Bxf4+
- 2.Qxf4#
- 1...g5+
- 2.Sg6#
- 1...Bd4
- 2.Sg2#
- 1...Bc5
- 2.Sg2#
- 2.Sxg6#
- 1...Bb6
- 2.Sg2#
- 2.Sxg6#
- 1...Ba7
- 2.Sg2#
- 2.Sxg6#
- 1...Sg5
- 2.Sg2#
- 2.Sxg6#
- 1...Bxf2!
- 1...Bxf4+
- 1.Qb4?
- 1...Bxf4+
- 2.Qxf4#
- 1...g5+
- 2.Sg6#
- 1...Bd4
- 2.Sg2#
- 1...Bc5
- 2.Sg2#
- 2.Sxg6#
- 1...Bb6
- 2.Sg2#
- 2.Sxg6#
- 1...Ba7
- 2.Sg2#
- 2.Sxg6#
- 1...Sg5
- 2.Sg2#
- 2.Sxg6#
- 1...Bxf2!
- 1...Bxf4+
- 1.Qc4?
- 1...Bxf4+
- 2.Qxf4#
- 1...g5+
- 2.Sg6#
- 1...Bd4
- 2.Sg2#
- 1...Bc5
- 2.Sg2#
- 2.Sxg6#
- 1...Bb6
- 2.Sg2#
- 2.Sxg6#
- 1...Ba7
- 2.Sg2#
- 2.Sxg6#
- 1...Sg5
- 2.Sg2#
- 2.Sxg6#
- 1...Bxf2!
- 1...Bxf4+
- 1.Bxf6+?
- Keys
- 1.Qd4!
- 1...Bxf4+
- 2.Qxf4#
- 1...g5+
- 2.Sg6#
- 1...Bxf2
- 2.Qxf2#
- 1...Bxd4
- 2.Sg2#
- 1...Sg5
- 2.Sg2#
- 2.Sxg6#
- 1...Bxf4+
- 1.Qd4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(b);CHECK,OGATE,P_SPINB(b),XS(F)::QAR2(E),XB(b)
- P(f);CHECK,N_PINS(F),N_SPINR(e)::QAR(E)+S(F),DCHECK
- Tries
- Try
- B(J);CHECK,XR(e)
- Refutation
- S(h);XB(J)
- Try
- B(J);
- Vars
- B(b);CHECK,OGATE,P_SPINB(b),XS(F)::QAR2(E),XB(b)
- P(f);CHECK,N_PINS(F),N_SPINR(e)::QAR(E)+S(F),DCHECK
- Refutation
- B(b);N_PINS(F),XS(B)
- Try
- Q(E);
- Vars
- B(b);CHECK,OGATE,P_SPINB(b),XS(F)::QAR2(E),XB(b)
- P(f);CHECK,N_PINS(F),N_SPINR(e)::QAR(E)+S(F),DCHECK
- B(b);N_PINS(F)::S(F)
- Refutation
- B(b);N_PINS(F),XS(B)
- Try
- Q(E);
- Vars
- B(b);CHECK,OGATE,P_SPINB(b),XS(F)::QAR2(E),XB(b)
- P(f);CHECK,N_PINS(F),N_SPINR(e)::QAR(E)+S(F),DCHECK
- B(b);N_PINS(F)::S(F)
- Refutation
- B(b);N_PINS(F),XS(B)
- Try
- Q(E);
- Vars
- B(b);CHECK,OGATE,P_SPINB(b),XS(F)::QAR2(E),XB(b)
- P(f);CHECK,N_PINS(F),N_SPINR(e)::QAR(E)+S(F),DCHECK
- B(b);N_PINS(F)::S(F)
- Refutation
- B(b);N_PINS(F),XS(B)
- Try
- Actual
- Q(E);
- Vars
- B(b);CHECK,OGATE,P_SPINB(b),XS(F)::QAR2(E),XB(b)
- P(f);CHECK,N_PINS(F),N_SPINR(e)::QAR(E)+S(F),DCHECK
- B(b);N_PINS(F),OGATE,XS(B)::QAB(E),XB(b)
- B(b);N_PINS(F),XQ(E)::S(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).