MESON Chess Problem Database
Problem Display
PID: 262790 (8/3N4/8/Q2p4/4p3/1P1pk1P1/4P1P1/2N3K1 w - - 0 1)
Zalewski, Mieczyzlaw
Szachy, 1969
#2
8 + 4
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Qc5#
- 1...dxe2
- 2.Qc3#
- 1...d2
- 2.Qc3#
- 1...d4
- 2.Qg5#
- 1...Kd4
- Tries
- 1.Kf1?
- 1...Kd4
- 2.Qc5#
- 1...d2
- 2.Qc3#
- 1...d4
- 2.Qg5#
- 1...dxe2+!
- 1...Kd4
- 1.Se5?
- 1...dxe2
- 2.Qc3#
- 1...d2
- 2.Qc3#
- 1...d4
- 2.Sc4#
- 2.Sg4#
- 1...Kd4!
- 1...dxe2
- 1.Sb6?
- 1...dxe2
- 2.Qc3#
- 1...d2
- 2.Qc3#
- 1...d4
- 2.Sc4#
- 2.Sd5#
- 2.Qg5#
- 1...Kd4!
- 1...dxe2
- 1.Sf6?
- 1...dxe2
- 2.Qc3#
- 1...d2
- 2.Qc3#
- 1...d4
- 2.Sg4#
- 2.Sd5#
- 2.Qg5#
- 1...Kd4!
- 1...dxe2
- 1.Sb8?
- 1...dxe2
- 2.Qc3#
- 1...d2
- 2.Qc3#
- 1...d4
- 2.Qg5#
- 1...Kd4!
- 1...dxe2
- 1.Sf8?
- 1...dxe2
- 2.Qc3#
- 1...d2
- 2.Qc3#
- 1...d4
- 2.Qg5#
- 1...Kd4!
- 1...dxe2
- 1.Qd2+?
- 1...Kd4
- 2.e3#
- 1...Kxd2!
- 1...Kd4
- 1.Qb4?
- 1...dxe2
- 2.Qc3#
- 1...d2
- 2.Qc3#
- 1...d4!
- 1...dxe2
- 1.Qb6+?
- 1...d4
- 2.Qh6#
- 1...Kd2!
- 1...d4
- 1.Qc7?
- 1...Kd4
- 2.Qc5#
- 1...dxe2
- 2.Qc3#
- 1...d4
- 2.Qf4#
- 1...d2
- 2.Qc3#
- 1...Kd2!
- 1...Kd4
- 1.Qc5+?
- 1...d4
- 2.Qg5#
- 1...Kd2!
- 1...d4
- 1.exd3?
- 1...Kd4
- 2.Qc5#
- 1...d4
- 2.Qe1#
- 2.Qg5#
- 1...exd3!
- 1...Kd4
- 1.Kf1?
- Keys
- 1.Qe1!
- 1...Kd4
- 2.e3#
- 1...dxe2
- 2.Qc3#
- 1...d2
- 2.Qf2#
- 1...d4
- 2.exd3#
- 1...Kd4
- 1.Qe1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(b);N_GUARD,S_CUTP(d),S_FLIGHT::QAB1(G)
- P(a);OGATEB,XP(C)::QAR2(G)
- P(a);OGATEB::QAR2(G)
- P(d);OGATE,SBLOCK::QAB(G)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- K(b);N_GUARD,S_CUTP(d),S_FLIGHT::QAB1(G)
- P(a);OGATEB::QAR2(G)
- P(d);OGATE,SBLOCK::QAB(G)
- Refutation
- P(a);CHECK,XP(C)
- Try
- S(H);
- Vars
- P(a);OGATEB,XP(C)::QAR2(G)
- P(a);OGATEB::QAR2(G)
- Refutation
- K(b);S_FLIGHT
- Try
- S(H);
- Vars
- P(a);OGATEB,XP(C)::QAR2(G)
- P(a);OGATEB::QAR2(G)
- Refutation
- K(b);S_FLIGHT
- Try
- S(H);
- Vars
- P(a);OGATEB,XP(C)::QAR2(G)
- P(a);OGATEB::QAR2(G)
- Refutation
- K(b);S_FLIGHT
- Try
- S(H);
- Vars
- P(a);OGATEB,XP(C)::QAR2(G)
- P(a);OGATEB::QAR2(G)
- P(d);OGATE,SBLOCK::QAB(G)
- Refutation
- K(b);S_FLIGHT
- Try
- S(H);
- Vars
- P(a);OGATEB,XP(C)::QAR2(G)
- P(a);OGATEB::QAR2(G)
- P(d);OGATE,SBLOCK::QAB(G)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(G);CHECK
- Vars
- K(b);OGATE,P_SPINP(a),S_FLIGHT::P(C)
- Refutation
- K(b);S_FLIGHT,XQ(G)
- Try
- Q(G);
- Vars
- P(a);OGATEB,XP(C)::QAR2(G)
- P(a);OGATEB::QAR2(G)
- Refutation
- P(d);
- Try
- Q(G);CHECK
- Vars
- P(d);P_SPINP(d),SBLOCK::QAB(G)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(G);
- Vars
- K(b);N_GUARD,S_CUTP(d),S_FLIGHT::QAB1(G)
- P(a);OGATEB,XP(C)::QAR2(G)
- P(d);SBLOCK::QAB1(G)
- P(a);OGATEB::QAR2(G)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(G);CHECK
- Vars
- P(d);OGATE,P_SPINP(d),SBLOCK::QAB(G)
- Refutation
- K(b);S_FLIGHT
- Try
- P(C);XP(a)
- Vars
- K(b);N_GUARD,S_CUTP(d),S_FLIGHT::QAB1(G)
- Refutation
- P(c);XP(C)
- Try
- Actual
- Q(G);
- Vars
- K(b);OGATE,S_FLIGHT::P(C)
- P(a);OGATEB,P_SPINP(a),XP(C)::QAR2(G)
- P(a);SBLOCK::QAB1(G)
- P(d);SBLOCK::QAR(G)+P(C),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).