MESON Chess Problem Database
Problem Display
PID: 86558 (8/8/5K2/4p3/5k2/4N1p1/6Q1/6B1 w - - 0 1)
Melnichenko, Viktor Oleksandrovich
Magadansky Komsomolets, 1987
#2
4 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...e4
- 2.Qf1#
- 1...e4
- Tries
- 1.Sf1?
- 1...e4
- 2.Qxg3#
- 1...Kg4!
- 1...e4
- 1.Sf5?
- 1...e4
- 2.Qxg3#
- 1...Kg4!
- 1...e4
- 1.Bh2?
- 1...gxh2
- 2.Sd5#
- 1...e4
- 2.Qf2#
- 2.Qxg3#
- 1...Kxe3!
- 1...gxh2
- 1.Qh3?
- threat
- 2.Qg4#
- 2.Qf5#
- 1...Kf3
- 2.Qg4#
- 1...g2
- 2.Qg4#
- 1...Ke4!
- threat
- 1.Qd5?
- 1...e4
- 2.Qf5#
- 1...g2!
- 1...e4
- 1.Qe2?
- threat
- 2.Sg2#
- 2.Sd5#
- 2.Qg4#
- 1...g2
- 2.Qg4#
- 1...Ke4!
- threat
- 1.Sf1?
- Keys
- 1.Bf2!
- 1...gxf2
- 2.Sd5#
- 1...e4
- 2.Qxg3#
- 1...gxf2
- 1.Bf2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- P(c);SBLOCK::QAR(B)
- Tries
- Try
- S(C);
- Vars
- P(c);SBLOCK::QAB1(B),XP(a)
- Refutation
- K(b);P-FLIGHT,P_SPINP(a)
- Try
- S(C);
- Vars
- P(c);SBLOCK::QAB1(B),XP(a)
- Refutation
- K(b);P-FLIGHT,P_SPINP(a)
- Try
- B(A);P_PINP(a)
- Vars
- P(a);N_SPINP(a),XB(A)::S(C)
- Refutation
- K(b);N_SPINP(a),S_FLIGHT,XS(C)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT,P_SPINP(a)::QAB1(B)
- P(a);::QAR1(B)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(B);
- Vars
- P(c);OGATE::QAR1(B)
- Refutation
- P(a);
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- P(a);::QAR1(B)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- B(A);
- Vars
- P(a);XB(A)::S(C)
- P(c);SBLOCK::QAB1(B),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).