MESON Chess Problem Database
Problem Display
PID: 103582 (3Q1n2/3b3R/k1P5/1N6/P3PB2/3R4/8/b4B1K w - - 0 1)
Ivana, Dumitru C
Revista Romana de Sah, 1984
#2
10 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bh3
- 2.Ra7#
- 1...Bg4
- 2.Ra7#
- 1...Bf5
- 2.Ra7#
- 1...Bxc6
- 2.Ra7#
- 1...Be6
- 2.Ra7#
- 1...Bc8
- 2.Ra7#
- 1...Be8
- 2.Ra7#
- 1...Bh3
- Tries
- 1.Sa3?
- threat
- 2.Rdxd7#
- 1...Ka7
- 2.Qa5#
- 1...Bxc6
- 2.Rd6#
- 1...Bh3
- 2.Rdxh3#
- 1...Bg4
- 2.Rf3#
- 1...Bf5
- 2.Rd1#
- 2.Rd2#
- 2.Rb3#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rdh3#
- 2.Rd4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdd7#
- 1...Be6
- 2.Rd5#
- 1...Bc8
- 2.Rd1#
- 2.Rd2#
- 2.Rb3#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rdh3#
- 2.Rd4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdd7#
- 1...Be8
- 2.Rd1#
- 2.Rd2#
- 2.Rb3#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rdh3#
- 2.Rd4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdd7#
- 1...Bd4!
- threat
- 1.Sa7?
- threat
- 2.Rdxd7#
- 1...Kxa7
- 2.Qa5#
- 1...Bxc6
- 2.Rd6#
- 1...Bh3
- 2.Rdxh3#
- 1...Bg4
- 2.Rf3#
- 1...Bf5
- 2.Rd1#
- 2.Rd2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rdh3#
- 2.Rd4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdd7#
- 1...Be6
- 2.Rd5#
- 1...Bc8
- 2.Rd1#
- 2.Rd2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rdh3#
- 2.Rd4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdd7#
- 1...Be8
- 2.Rd1#
- 2.Rd2#
- 2.Ra3#
- 2.Rb3#
- 2.Rc3#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rdh3#
- 2.Rd4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdd7#
- 1...Bd4!
- threat
- 1.Be3?
- threat
- 2.Qb6#
- 2.Qa8#
- 1...Bxc6
- 2.Ra7#
- 2.Qb6#
- 1...Bc8
- 2.Ra7#
- 2.Qb6#
- 1...Bd4!
- threat
- 1.Rdxd7?
- threat
- 2.Sa3#
- 2.Sc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sa7#
- 2.Ra7#
- 1...Bd4
- 2.Sa3#
- 2.Sc3#
- 2.Sxd4#
- 2.Sd6#
- 2.Sa7#
- 1...Bc3
- 2.Sa3#
- 2.Sxc3#
- 2.Sd4#
- 2.Sd6#
- 2.Sa7#
- 2.Ra7#
- 1...Sxd7!
- threat
- 1.Sa3?
- Keys
- 1.Sc3!
- threat
- 2.Rdxd7#
- 1...Ka7
- 2.Qa5#
- 1...Bxc6
- 2.Rd6#
- 1...Bh3
- 2.Rdxh3#
- 1...Bg4
- 2.Rf3#
- 1...Bf5
- 2.Rd1#
- 2.Rd2#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rdh3#
- 2.Rd4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdd7#
- 1...Be6
- 2.Rd5#
- 1...Bc8
- 2.Rd1#
- 2.Rd2#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rdh3#
- 2.Rd4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdd7#
- 1...Be8
- 2.Rd1#
- 2.Rd2#
- 2.Re3#
- 2.Rf3#
- 2.Rg3#
- 2.Rdh3#
- 2.Rd4#
- 2.Rd5#
- 2.Rd6#
- 2.Rdd7#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- B(c);OGATE::R1(I)
- B(c);OGATE,P_PINP(E),XP(H)::R1(I)
- Tries
- Try
- S(G);
- Threat
- B(A)+R(C),XB(c)
- Vars
- K(b);P-FLIGHT,P_SPINB(c)::QAR2(J)
- B(c);P_PINP(E),XP(H)::B(A)+R(C)
- B(c);::B(A)+R(C),XB(c)
- B(c);::B(A)+R(C)
- Refutation
- B(a);
- Try
- S(G);
- Threat
- B(A)+R(C),XB(c)
- Vars
- K(b);P-FLIGHT,P_SPINB(c),XS(G)::QAR2(J)
- B(c);P_PINP(E),XP(H)::B(A)+R(C)
- B(c);::B(A)+R(C),XB(c)
- B(c);::B(A)+R(C)
- Refutation
- B(a);
- Try
- B(F);
- Threat
- DUALS(2)
- Refutation
- B(a);
- Try
- R(C);XB(c)
- Threat
- DUALS(6)
- Refutation
- S(d);XR(C)
- Try
- Actual
- S(G);
- Threat
- B(A)+R(C),XB(c)
- Vars
- K(b);P-FLIGHT,P_SPINB(c)::QAR2(J)
- B(c);P_PINP(E),XP(H)::B(A)+R(C)
- B(c);::B(A)+R(C),XB(c)
- B(c);::B(A)+R(C)
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).