MESON Chess Problem Database
Problem Display
PID: 24908 (2bb4/1Rqpk2p/4B3/n1N1N3/5Q2/B3R2K/7P/3r4 w - - 0 1)
Henning, Hans
1st Prize, Niederbischer Schachbund, 1928
#2
9 + 8
| 3098 | FIDE Album (1914-1944) (I) | 1971 |
| 56 | The Problemist | 2005 |
| 133 | The Problemist Supplement | 2005 |
SOLUTION
- SOUND
- Sets
- 1...Ke8
- 2.Qf7#
- 1...Qd6
- 2.Qf7#
- 1...Rd6
- 2.Qf7#
- 1...d6
- 2.Qf7#
- 1...Ke8
- Tries
- 1.Sb3+?
- 1...Kxe6
- 2.Qf7#
- 1...Ke8
- 2.Bf7#
- 2.Qf7#
- 2.Qf8#
- 1...Qd6
- 2.Qf7#
- 1...Rd6
- 2.Qf7#
- 1...d6
- 2.Qf7#
- 1...Qc5!
- 1...Kxe6
- 1.Scd3+?
- 1...Kxe6
- 2.Qf7#
- 1...Ke8
- 2.Bf7#
- 2.Qf7#
- 2.Qf8#
- 1...Qd6
- 2.Qf7#
- 1...d6
- 2.Qf7#
- 1...Qc5!
- 1...Kxe6
- 1.Sa4+?
- 1...Kxe6
- 2.Qf7#
- 1...Ke8
- 2.Bf7#
- 2.Qf7#
- 2.Qf8#
- 1...Qd6
- 2.Qf7#
- 1...Rd6
- 2.Qf7#
- 1...d6
- 2.Qf7#
- 1...Qc5!
- 1...Kxe6
- 1.Se4+?
- 1...Ke8
- 2.Bf7#
- 2.Qf7#
- 2.Qf8#
- 1...Qd6
- 2.Qf7#
- 1...Qc5
- 2.Qf7#
- 1...Rd6
- 2.Qf7#
- 1...d6
- 2.Qf7#
- 1...Kxe6!
- 1...Ke8
- 1.Sa6+?
- 1...Kxe6
- 2.Qf7#
- 1...Ke8
- 2.Bf7#
- 2.Qf7#
- 2.Qf8#
- 1...Qd6
- 2.Qf7#
- 1...Rd6
- 2.Qf7#
- 1...d6
- 2.Qf7#
- 1...Qc5!
- 1...Kxe6
- 1.Scxd7+?
- 1...Kxe6
- 2.Qf7#
- 1...Ke8
- 2.Bf7#
- 2.Qf7#
- 2.Qf8#
- 1...Qd6
- 2.Qf7#
- 1...Rd6
- 2.Qf7#
- 1...Qc5!
- 1...Kxe6
- 1.Sg6+?
- 1...Ke8
- 2.Bxd7#
- 2.Bf7#
- 2.Qf7#
- 2.Qf8#
- 1...hxg6!
- 1...Ke8
- 1.Qf6+?
- 1...Kd6
- 2.Se4#
- 1...Ke8
- 2.Qf7#
- 1...Kxf6!
- 1...Kd6
- 1.Sb3+?
- Keys
- 1.Bf7!
- threat
- 2.Sg6#
- 1...d5+
- 2.Se6#
- 1...d6+
- 2.Sed7#
- 1...Kd6
- 2.Se4#
- 1...Kf8
- 2.Se6#
- 1...Qxe5
- 2.Sd3#
- threat
- 1.Bf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- K(e);P-FLIGHT::QAB1(E)
- Q(c);P_SPINP(d),SBLOCK::QAR1(E)
- R(a);SBLOCK::QAR1(E)
- P(d);P_PINB(H),P_SPINQ(c),SBLOCK::QAR1(E)
- Tries
- Try
- S(F);CHECK
- Vars
- K(e);P-FLIGHT,XB(H)::QAB1(E)
- Q(c);P_SPINP(d),P_SPINQ(c)::QAR1(E)
- R(a);P_SPINR(a)::QAR1(E)
- P(d);P_PINB(H),P_SPINP(d),P_SPINQ(c)::QAR1(E)
- Refutation
- Q(c);P_SPINP(d),P_SPINQ(c)
- Try
- S(F);CHECK
- Vars
- K(e);P-FLIGHT,XB(H)::QAB1(E)
- Q(c);P_SPINP(d),P_SPINQ(c)::QAR1(E)
- P(d);P_PINB(H),P_SPINP(d),P_SPINQ(c)::QAR1(E)
- Refutation
- Q(c);P_SPINP(d),P_SPINQ(c)
- Try
- S(F);CHECK
- Vars
- K(e);P-FLIGHT,XB(H)::QAB1(E)
- Q(c);P_SPINP(d),P_SPINQ(c)::QAR1(E)
- R(a);P_SPINR(a)::QAR1(E)
- P(d);P_PINB(H),P_SPINP(d),P_SPINQ(c)::QAR1(E)
- Refutation
- Q(c);P_SPINP(d),P_SPINQ(c)
- Try
- S(F);CHECK
- Vars
- Q(c);P_SPINP(d),P_SPINQ(c)::QAR1(E)
- R(a);P_SPINR(a)::QAR1(E)
- P(d);P_PINB(H),P_SPINP(d),P_SPINQ(c)::QAR1(E)
- Refutation
- K(e);P-FLIGHT,XB(H)
- Try
- S(F);CHECK
- Vars
- K(e);P-FLIGHT,XB(H)::QAB1(E)
- Q(c);P_SPINP(d),P_SPINQ(c)::QAR1(E)
- R(a);P_SPINR(a)::QAR1(E)
- P(d);P_PINB(H),P_SPINP(d),P_SPINQ(c)::QAR1(E)
- Refutation
- Q(c);P_SPINP(d),P_SPINQ(c)
- Try
- S(F);CHECK,XP(d)
- Vars
- K(e);P-FLIGHT,XB(H)::QAB1(E)
- Q(c);P_SPINQ(c)::QAR1(E)
- R(a);P_SPINR(a)::QAR1(E)
- Refutation
- Q(c);P_SPINQ(c)
- Try
- S(G);CHECK
- Refutation
- P(f);XS(G)
- Try
- Q(E);CHECK
- Vars
- K(e);S_FLIGHT::B(B)+S(F),DCHECK
- K(e);P-FLIGHT::QAB1(E)
- Refutation
- K(e);S_FLIGHT,XQ(E)
- Try
- Actual
- B(H);
- Threat
- R(C)+S(G),DCHECK
- Vars
- P(d);CHECK,N_GUARD,P_SPINQ(c),S_CUTR(a)::B(B)+S(F)
- P(d);CHECK,P_SPINQ(c)::R(C)+S(G)
- K(e);S_FLIGHT::B(B)+S(F),DCHECK
- Q(c);N_GUARD,P_SPINP(d),P_SPINQ(c),XS(G)::B(B)+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).