MESON Chess Problem Database
Problem Display
PID: 237782 (8/K1B2p1r/6br/R1N3p1/1p1kp3/1Q2p1n1/1n2P2b/7q w - - 0 1)
Goldschmeding, Cornelis
Arbejder-Skak, 1952
#2
6 + 13
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...f5
- 2.Se6#
- 1...f6
- 2.Se6#
- 1...f5
- Tries
- 1.Sa4?
- threat
- 2.Be5#
- 2.Bb6#
- 2.Rd5#
- 2.Qd5#
- 1...Sxa4
- 2.Be5#
- 2.Rd5#
- 2.Qxb4#
- 1...Sxe2
- 2.Bb6#
- 2.Rd5#
- 2.Qd5#
- 1...Qc1
- 2.Be5#
- 2.Rd5#
- 2.Qd5#
- 1...Bf5
- 2.Be5#
- 2.Rd5#
- 2.Qd5#
- 1...Bh5
- 2.Be5#
- 2.Rd5#
- 2.Qd5#
- 1...Sd3
- 2.Rd5#
- 2.Qd5#
- 1...Sf1
- 2.Bb6#
- 2.Rd5#
- 2.Qd5#
- 1...Sf5
- 2.Bb6#
- 2.Rd5#
- 2.Qd5#
- 1...Sh5
- 2.Bb6#
- 2.Rd5#
- 2.Qd5#
- 1...f5
- 2.Rd5#
- 2.Qd5#
- 1...f6
- 2.Rd5#
- 2.Qd5#
- 1...Sc4!
- threat
- 1.Sa6?
- threat
- 2.Be5#
- 2.Bb6#
- 2.Rd5#
- 1...Sxe2
- 2.Bb6#
- 2.Rd5#
- 1...Qc1
- 2.Be5#
- 2.Rd5#
- 1...Bf5
- 2.Be5#
- 2.Rd5#
- 1...Bh5
- 2.Be5#
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sa4
- 2.Be5#
- 2.Rd5#
- 2.Qxb4#
- 1...Sf1
- 2.Bb6#
- 2.Rd5#
- 1...Sf5
- 2.Bb6#
- 2.Rd5#
- 1...Sh5
- 2.Bb6#
- 2.Rd5#
- 1...f5
- 2.Rd5#
- 1...f6
- 2.Rd5#
- 1...Sc4!
- threat
- 1.Sb7?
- threat
- 2.Be5#
- 2.Bb6#
- 2.Rd5#
- 1...Sxe2
- 2.Bb6#
- 2.Rd5#
- 1...Qa1
- 2.Be5#
- 2.Bb6#
- 1...Qc1
- 2.Be5#
- 2.Rd5#
- 1...Bf5
- 2.Be5#
- 2.Rd5#
- 1...Bh5
- 2.Be5#
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sa4
- 2.Be5#
- 2.Rd5#
- 2.Qxb4#
- 1...Sf1
- 2.Bb6#
- 2.Rd5#
- 1...Sf5
- 2.Bb6#
- 2.Rd5#
- 1...Sh5
- 2.Bb6#
- 2.Rd5#
- 1...f6
- 2.Bb6#
- 2.Rd5#
- 1...Sc4!
- threat
- 1.Sd7?
- threat
- 2.Be5#
- 2.Bb6#
- 2.Rd5#
- 1...Sxe2
- 2.Bb6#
- 2.Rd5#
- 1...Qa1
- 2.Be5#
- 2.Bb6#
- 1...Qc1
- 2.Be5#
- 2.Rd5#
- 1...Bf5
- 2.Be5#
- 2.Rd5#
- 1...Bh5
- 2.Be5#
- 2.Rd5#
- 1...Sd3
- 2.Rd5#
- 1...Sa4
- 2.Be5#
- 2.Rd5#
- 2.Qxb4#
- 1...Sf1
- 2.Bb6#
- 2.Rd5#
- 1...Sf5
- 2.Bb6#
- 2.Rd5#
- 1...Sh5
- 2.Bb6#
- 2.Rd5#
- 1...f6
- 2.Bb6#
- 2.Rd5#
- 1...Sc4!
- threat
- 1.Bb6?
- threat
- 2.Sd3#
- 2.Sa4#
- 2.Sa6#
- 2.Se6#
- 2.Sb7#
- 2.Sd7#
- 1...f5+
- 2.Sb7#
- 2.Sd7#
- 1...f6+
- 2.Sb7#
- 2.Sd7#
- 1...Sc4
- 2.Se6#
- 1...Qc1
- 2.Se6#
- 1...Bf5
- 2.Se6#
- 1...Bh5
- 2.Se6#
- 1...Sd3
- 2.Sxd3#
- 2.Se6#
- 1...Sa4
- 2.Sxa4#
- 2.Se6#
- 1...Ke5!
- threat
- 1.Qc2?
- threat
- 2.Sb3#
- 1...b3
- 2.Sxb3#
- 1...Kd5!
- threat
- 1.Qxb4+?
- 1...Sc4
- 2.Sb3#
- 1...Kd5!
- 1...Sc4
- 1.Sa4?
- Keys
- 1.Sxe4!
- threat
- 2.Qd5#
- 1...Kxe4
- 2.Qd5#
- 1...Qxe4
- 2.Bb6#
- 1...Bxe4
- 2.Be5#
- 1...Sxe4
- 2.Rd5#
- 1...Sc4
- 2.Qd3#
- threat
- 1.Sxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- P(l);N_GUARD,P_PINB(F)::S(D)
- Tries
- Try
- S(D);
- Threat
- DUALS(4)
- Refutation
- S(b);
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- S(b);::R1(C)
- P(l);P_PINB(F)::R1(C)
- Refutation
- S(b);
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- S(b);::R1(C)
- Refutation
- S(b);
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- S(b);::R1(C)
- Refutation
- S(b);
- Try
- B(F);
- Threat
- DUALS(6)
- Vars
- S(b);::B(F)+S(D),DCHECK
- Q(a);::B(F)+S(D),DCHECK
- B(j);::B(F)+S(D),DCHECK
- Refutation
- K(g);S_FLIGHT
- Try
- Q(B);
- Threat
- S(D)
- Vars
- P(f);::S(D),XP(f)
- Refutation
- K(g);P-FLIGHT
- Try
- Q(B);CHECK,XP(f)
- Vars
- S(b);P_SPINS(b)::S(D)
- Refutation
- K(g);P-FLIGHT
- Try
- Actual
- S(D);XP(h)
- Threat
- QAR1(B)
- Vars
- K(g);P-FLIGHT,XS(D)::QAB1(B)
- Q(a);SBLOCK,XS(D)::B(F)
- B(j);SBLOCK,XS(D)::B(F)
- S(e);SBLOCK,XS(D)::R1(C)
- S(b);N_GUARD::QAR1(B)
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).