MESON Chess Problem Database
Problem Display
PID: 247569 (8/2p2p2/2pP1PpR/2p1k3/2B3PP/4K3/2PQ4/8 w - - 0 1)
Lewis, Robert Tony
Zadachi i Etyudi, 2003
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Kxf6
- 2.Qc3#
- 1...g5
- 2.Qh2#
- 1...cxd6
- 2.Qc3#
- 1...Kxf6
- Tries
- 1.Kf3?
- threat
- 2.Qf4#
- 1...Kxf6
- 2.Qc3#
- 1...g5!
- threat
- 1.Ba2?
- 1...Kxf6
- 2.Qc3#
- 1...cxd6
- 2.Qc3#
- 1...g5
- 2.Qh2#
- 1...c4!
- 1...Kxf6
- 1.Bb3?
- 1...Kxf6
- 2.Qc3#
- 1...cxd6
- 2.Qc3#
- 1...g5
- 2.Qh2#
- 1...c4!
- 1...Kxf6
- 1.Bxf7?
- 1...cxd6
- 2.Qc3#
- 1...g5
- 2.Qh2#
- 1...c4
- 2.Qd4#
- 1...Kxf6!
- 1...cxd6
- 1.Rh7?
- 1...Kxf6
- 2.Qc3#
- 1...cxd6
- 2.Qc3#
- 1...g5!
- 1...Kxf6
- 1.Rh8?
- 1...Kxf6
- 2.Qc3#
- 1...cxd6
- 2.Qc3#
- 1...g5!
- 1...Kxf6
- 1.Qe1?
- 1...Kxf6
- 2.Qc3#
- 2.Qa1#
- 1...cxd6
- 2.Qc3#
- 2.Qa1#
- 1...g5
- 2.Qg3#
- 1...Kxd6!
- 1...Kxf6
- 1.Qa5?
- 1...Kxf6
- 2.Qc3#
- 2.Qa1#
- 1...cxd6
- 2.Qc3#
- 2.Qa1#
- 1...g5
- 2.Qxc5#
- 1...Kxd6!
- 1...Kxf6
- 1.Qd1?
- 1...Kxf6
- 2.Qa1#
- 1...cxd6
- 2.Qa1#
- 1...g5!
- 1...Kxf6
- 1.Qf2?
- threat
- 2.Qf4#
- 1...g5
- 2.Qg3#
- 2.Qh2#
- 1...Kxd6!
- threat
- 1.Qd3?
- 1...Kxf6
- 2.Qc3#
- 1...cxd6
- 2.Qc3#
- 1...g5!
- 1...Kxf6
- 1.h5?
- 1...gxh5
- 2.Qh2#
- 1...cxd6
- 2.Qc3#
- 1...g5
- 2.Qh2#
- 1...Kxf6!
- 1...gxh5
- 1.dxc7?
- 1...g5
- 2.Qh2#
- 1...Kxf6!
- 1...g5
- 1.d7?
- 1...g5
- 2.Qh2#
- 1...Kxf6!
- 1...g5
- 1.Kf3?
- Keys
- 1.Kd3!
- 1...Kxd6
- 2.Ke4#
- 1...Kxf6
- 2.Qc3#
- 1...cxd6
- 2.Qg5#
- 1...g5
- 2.Qh2#
- 1...Kxd6
- 1.Kd3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- K(b);P_SPINP(d),S_FLIGHT,XP(H)::QAB(B)
- P(d);::QAB(B)
- P(e);SBLOCK,XP(G)::QAB(B)
- Tries
- Try
- K(C);P-FLIGHT
- Threat
- QAB1(B)
- Vars
- K(b);P_SPINP(d),S_FLIGHT,XP(H)::QAB(B)
- Refutation
- P(d);
- Try
- B(D);
- Vars
- K(b);P_SPINP(d),S_FLIGHT,XP(H)::QAB(B)
- P(e);SBLOCK,XP(G)::QAB(B)
- P(d);::QAB(B)
- Refutation
- P(a);
- Try
- B(D);
- Vars
- K(b);P_SPINP(d),S_FLIGHT,XP(H)::QAB(B)
- P(e);SBLOCK,XP(G)::QAB(B)
- P(d);::QAB(B)
- Refutation
- P(a);
- Try
- B(D);XP(f)
- Vars
- P(e);SBLOCK,XP(G)::QAB(B)
- P(d);::QAB(B)
- P(a);N_GUARD::QAB1(B)
- Refutation
- K(b);P_SPINP(d),S_FLIGHT,XP(H)
- Try
- R(I);
- Vars
- K(b);S_FLIGHT,XP(H)::QAB(B)
- P(e);SBLOCK,XP(G)::QAB(B)
- Refutation
- P(d);
- Try
- R(I);
- Vars
- K(b);S_FLIGHT,XP(H)::QAB(B)
- P(e);SBLOCK,XP(G)::QAB(B)
- Refutation
- P(d);
- Try
- Q(B);
- Vars
- P(d);::QAB(B)
- Refutation
- K(b);S_FLIGHT,XP(G)
- Try
- Q(B);P_PINP(a)
- Vars
- P(d);::QAR2(B),XP(a)
- Refutation
- K(b);N_SPINP(a),S_FLIGHT,XP(G)
- Try
- Q(B);
- Vars
- K(b);P_SPINP(d),S_FLIGHT,XP(H)::QAB(B)
- P(e);SBLOCK,XP(G)::QAB(B)
- Refutation
- P(d);
- Try
- Q(B);
- Threat
- QAB1(B)
- Refutation
- K(b);S_FLIGHT,XP(G)
- Try
- Q(B);
- Vars
- K(b);P_SPINP(d),S_FLIGHT,XP(H)::QAB(B)
- P(e);SBLOCK,XP(G)::QAB(B)
- Refutation
- P(d);
- Try
- P(F);
- Vars
- P(d);XP(F)::QAB(B)
- P(e);SBLOCK,XP(G)::QAB(B)
- P(d);::QAB(B)
- Refutation
- K(b);P_SPINP(d),S_FLIGHT,XP(H)
- Try
- P(G);XP(e)
- Vars
- P(d);::QAB(B)
- Refutation
- K(b);P_SPINP(d),S_FLIGHT,XP(H)
- Try
- P(G);
- Vars
- P(d);::QAB(B)
- Refutation
- K(b);P_SPINP(d),S_FLIGHT,XP(H)
- Try
- Actual
- K(C);P-FLIGHT
- Vars
- K(b);S_FLIGHT,XP(G)::QAR(B)+K(C)
- K(b);P_SPINP(d),S_FLIGHT,XP(H)::QAB(B)
- P(e);SBLOCK,XP(G)::QAR2(B)
- P(d);::QAB(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).