MESON Chess Problem Database
Problem Display
PID: 186336 (8/4p3/3pP3/Bp1Q4/1p2p3/2k1p3/KNPnR3/8 w - - 0 1)
Visbeen, Frank
Probleemblad, 1989
#2
7 + 8
| 15601 | Albrecht-Leiss-Degener Collection | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Kxc2
- 2.Qc6#
- 1...Sb1
- 2.Sd1#
- 1...Sf1
- 2.Sd1#
- 1...Sb3
- 2.Sd1#
- 1...Sf3
- 2.Sd1#
- 1...Sc4
- 2.Sd1#
- 1...Kxc2
- Tries
- 1.Bxb4+?
- 1...Kxc2
- 2.Qc6#
- 1...Kxb4!
- 1...Kxc2
- 1.Bb6?
- 1...Kxc2
- 2.Qc6#
- 1...Sb1
- 2.Sd1#
- 2.Bd4#
- 2.Qb3#
- 2.Qc6#
- 2.Qd4#
- 1...Sf1
- 2.Sd1#
- 2.Bd4#
- 2.Qb3#
- 2.Qc6#
- 2.Qd4#
- 1...Sb3
- 2.Sd1#
- 2.Qxb3#
- 1...Sf3
- 2.Sd1#
- 2.Qb3#
- 2.Qc6#
- 1...Sc4
- 2.Sd1#
- 2.Bd4#
- 2.Qd4#
- 1...b3+!
- 1...Kxc2
- 1.Bc7?
- 1...Kxc2
- 2.Qc6#
- 1...Sb1
- 2.Sd1#
- 1...Sf1
- 2.Sd1#
- 1...Sb3
- 2.Sd1#
- 1...Sf3
- 2.Sd1#
- 1...Sc4
- 2.Sd1#
- 1...b3+!
- 1...Kxc2
- 1.Bd8?
- 1...Kxc2
- 2.Qc6#
- 1...Sb1
- 2.Sd1#
- 1...Sf1
- 2.Sd1#
- 1...Sb3
- 2.Sd1#
- 1...Sf3
- 2.Sd1#
- 1...Sc4
- 2.Sd1#
- 1...b3+!
- 1...Kxc2
- 1.Rxd2?
- threat
- 2.Sd1#
- 2.Qd4#
- 1...e2
- 2.Qd4#
- 1...exd2!
- threat
- 1.Rg2?
- 1...Kxc2
- 2.Qc6#
- 1...Sb1
- 2.Sd1#
- 1...Sf1
- 2.Sd1#
- 1...Sb3
- 2.Sd1#
- 1...Sf3
- 2.Sd1#
- 1...Sc4
- 2.Sd1#
- 1...e2!
- 1...Kxc2
- 1.Rh2?
- 1...Kxc2
- 2.Qc6#
- 1...Sb1
- 2.Sd1#
- 1...Sf1
- 2.Sd1#
- 1...Sb3
- 2.Sd1#
- 1...Sf3
- 2.Sd1#
- 1...Sc4
- 2.Sd1#
- 1...e2!
- 1...Kxc2
- 1.Qxe4?
- threat
- 2.Sd1#
- 2.Bxb4#
- 2.Rxe3#
- 2.Qd3#
- 1...Sb1
- 2.Sd1#
- 2.Bxb4#
- 2.Qd3#
- 2.Qxe3#
- 2.Qxb4#
- 1...Sf1
- 2.Sd1#
- 2.Bxb4#
- 2.Qd3#
- 2.Qxb4#
- 1...Sb3
- 2.Sd1#
- 2.Bxb4#
- 2.Qd3#
- 2.Qxe3#
- 2.Qxb4#
- 1...Sf3
- 2.Sd1#
- 2.Bxb4#
- 2.Qd3#
- 2.Qxe3#
- 2.Qxb4#
- 1...Sc4
- 2.Sd1#
- 2.Qd3#
- 1...Sxe4!
- threat
- 1.Qc5+?
- 1...Sc4
- 2.Sd1#
- 2.Bxb4#
- 1...dxc5!
- 1...Sc4
- 1.Qxd6?
- 1...Kxc2
- 2.Qc5#
- 2.Qc7#
- 2.Qc6#
- 1...Sb1
- 2.Bxb4#
- 2.Qxb4#
- 2.Qc5#
- 2.Qe5#
- 1...Sf1
- 2.Bxb4#
- 2.Qxb4#
- 2.Qc5#
- 2.Qe5#
- 1...Sb3
- 2.Bxb4#
- 2.Qxb4#
- 1...Sf3
- 2.Bxb4#
- 2.Qxb4#
- 2.Qc5#
- 1...Sc4
- 2.Sd1#
- 2.Bxb4#
- 1...exd6!
- 1...Kxc2
- 1.Bxb4+?
- Keys
- 1.Sd3!
- 1...Kxc2
- 2.Qb3#
- 1...exd3
- 2.Qxd3#
- 1...Sb1
- 2.Bxb4#
- 1...Sf1
- 2.Bxb4#
- 1...Sb3
- 2.Bxb4#
- 1...Sf3
- 2.Bxb4#
- 1...Sc4
- 2.Bxb4#
- 1...Kxc2
- 1.Sd3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(b);N_SPINP(d),P-FLIGHT,P_SPINS(a),XP(C)::QAR(F)
- S(a);::S(B)
- Tries
- Try
- B(E);CHECK,XP(d)
- Vars
- K(b);P-FLIGHT,P_SPINS(a),XP(C)::QAR(F)
- Refutation
- K(b);S_FLIGHT,XB(E)
- Try
- B(E);N_PINP(d)
- Vars
- K(b);P-FLIGHT,P_SPINS(a),XP(C)::QAR(F)
- Refutation
- P(d);CHECK
- Try
- B(E);N_PINP(d)
- Vars
- K(b);P-FLIGHT,P_SPINS(a),XP(C)::QAR(F)
- S(a);::S(B)
- Refutation
- P(d);CHECK
- Try
- B(E);N_PINP(d)
- Vars
- K(b);P-FLIGHT,P_SPINS(a),XP(C)::QAR(F)
- S(a);::S(B)
- Refutation
- P(d);CHECK
- Try
- R(D);XS(a)
- Threat
- DUALS(2)
- Vars
- P(c);::QAB1(F)
- Refutation
- P(c);XR(D)
- Try
- R(D);
- Vars
- K(b);N_SPINP(d),P-FLIGHT,P_SPINS(a),XP(C)::QAR(F)
- S(a);::S(B)
- Refutation
- P(c);
- Try
- R(D);
- Vars
- K(b);N_SPINP(d),P-FLIGHT,P_SPINS(a),XP(C)::QAR(F)
- S(a);::S(B)
- Refutation
- P(c);
- Try
- Q(F);XP(e)
- Threat
- DUALS(4)
- Refutation
- S(a);XQ(F)
- Try
- Q(F);CHECK
- Refutation
- P(g);XQ(F)
- Try
- Q(F);XP(g)
- Refutation
- P(h);XQ(F)
- Try
- Actual
- S(B);
- Vars
- K(b);N_SPINP(d),P-FLIGHT,P_SPINS(a),XP(C)::QAB1(F)
- P(e);OGATE,XS(B)::QAR1(F),XP(e)
- S(a);::B(E),XP(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).