MESON Chess Problem Database
Problem Display
PID: 44666 (8/1R1pqp2/n4p2/3B1P2/Np1kP2R/8/3K3B/8 w - - 0 1)
Seidemann, Felix
Het Schaakleven, 1932
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Bg1#
- 1...Sc5
- 2.Rxb4#
- 1...Qe5
- Tries
- 1.Ba2?
- threat
- 2.e5#
- 1...Qxe4
- 2.Rxd7#
- 1...Qe5
- 2.Bg1#
- 1...Sc5
- 2.Rxb4#
- 1...b3!
- threat
- 1.Rh3?
- threat
- 2.Rd3#
- 1...Sc5
- 2.Rxb4#
- 1...Qxe4!
- threat
- 1.Rb5?
- threat
- 2.e5#
- 1...Qxe4
- 2.Rxe4#
- 1...Qe5
- 2.Bg1#
- 1...Sc5
- 2.Rxb4#
- 1...Qc5!
- threat
- 1.Ba2?
- Keys
- 1.Bb3!
- threat
- 2.e5#
- 1...Qxe4
- 2.Rxd7#
- 1...Qe5
- 2.Bg1#
- 1...Sc5
- 2.Rxb4#
- threat
- 1.Bb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- Q(f);SBLOCK::B(B)
- S(c);N_GUARD,S_CUTQ(f)::R(H),XP(a)
- Tries
- Try
- B(F);
- Threat
- R(E)+P(D)
- Vars
- Q(f);N_GUARD,P_SPINQ(f),XP(D)::R(H),XP(e)
- Q(f);SBLOCK::B(B)
- S(c);N_GUARD,S_CUTQ(f)::R(H),XP(a)
- Refutation
- P(a);
- Try
- R(E);
- Threat
- R1(E)
- Vars
- S(c);N_GUARD,S_CUTQ(f)::R(H),XP(a)
- Refutation
- Q(f);XP(D)
- Try
- R(H);
- Threat
- R(E)+P(D)
- Vars
- Q(f);OGATE,P_SPINQ(f),XP(D)::R1(E),XQ(f)
- Q(f);SBLOCK::B(B)
- S(c);N_GUARD,S_CUTQ(f)::R(H),XP(a)
- Refutation
- Q(f);
- Try
- Actual
- B(F);
- Threat
- R(E)+P(D)
- Vars
- Q(f);N_GUARD,P_SPINQ(f),XP(D)::R(H),XP(e)
- Q(f);SBLOCK::B(B)
- S(c);N_GUARD,S_CUTQ(f)::R(H),XP(a)
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).