MESON Chess Problem Database
Problem Display
PID: 68836 (4bR2/3p2R1/3pQn2/1p1Bn3/1P4r1/2NP4/2KP4/k7 w - - 0 1)
Gavriliv, Evgeni M
diagrammes, 1993
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Rxg1#
- 1...Rc4
- 2.Rg1#
- 1...Rd4
- 2.Rg1#
- 1...Rh4
- 2.Rg1#
- 1...Bh5
- 2.Ra8#
- 1...Bg6
- 2.Ra8#
- 1...Bf7
- 2.Ra8#
- 1...Sc4
- 2.Qe1#
- 1...Sc6
- 2.Qe1#
- 1...Sg6
- 2.Qe1#
- 1...Sf7
- 2.Qe1#
- 1...Se4
- 2.Rf1#
- 1...Sxd5
- 2.Rf1#
- 1...Sh5
- 2.Rf1#
- 1...Sh7
- 2.Rf1#
- 1...Sg8
- 2.Rf1#
- 1...dxe6
- 2.Ra7#
- 1...Rg1
- Tries
- 1.Bg2?
- threat
- 2.Qa2#
- 1...dxe6
- 2.Ra7#
- 1...Bf7
- 2.Ra8#
- 1...Sc4
- 2.Qe1#
- 1...Sd5
- 2.Rf1#
- 1...d5
- 2.Qa6#
- 1...Rc4!
- threat
- 1.Bf3?
- threat
- 2.Qa2#
- 1...dxe6
- 2.Ra7#
- 1...Rc4
- 2.Rg1#
- 1...Bf7
- 2.Ra8#
- 1...Sc4
- 2.Qe1#
- 1...d5
- 2.Qa6#
- 1...Sd5!
- threat
- 1.Be4?
- threat
- 2.Qa2#
- 1...dxe6
- 2.Ra7#
- 1...Bf7
- 2.Ra8#
- 1...Sd5
- 2.Rf1#
- 1...d5
- 2.Qa6#
- 1...Sc4!
- threat
- 1.Bc6?
- threat
- 2.Qa2#
- 1...dxe6
- 2.Ra7#
- 1...Rc4
- 2.Rg1#
- 1...Bf7
- 2.Ra8#
- 1...Sc4
- 2.Qe1#
- 1...Sd5
- 2.Rf1#
- 1...d5!
- threat
- 1.Bb7?
- threat
- 2.Qa2#
- 1...Rc4
- 2.Rg1#
- 1...Bf7
- 2.Ra8#
- 1...Sc4
- 2.Qe1#
- 1...Sd5
- 2.Rf1#
- 1...d5
- 2.Qa6#
- 1...dxe6!
- threat
- 1.Ba8?
- threat
- 2.Qa2#
- 1...dxe6
- 2.Ra7#
- 1...Rc4
- 2.Rg1#
- 1...Sc4
- 2.Qe1#
- 1...Sd5
- 2.Rf1#
- 1...d5
- 2.Qa6#
- 1...Bf7!
- threat
- 1.Qxe8?
- threat
- 2.Qa8#
- 1...Sxe8
- 2.Rf1#
- 1...Sc4
- 2.Qe1#
- 1...Sc6
- 2.Qe1#
- 1...Rxb4!
- threat
- 1.Bg2?
- Keys
- 1.Bh1!
- threat
- 2.Qa2#
- 1...dxe6
- 2.Ra7#
- 1...Rc4
- 2.Rg1#
- 1...Bf7
- 2.Ra8#
- 1...Sc4
- 2.Qe1#
- 1...Sd5
- 2.Rf1#
- 1...d5
- 2.Qa6#
- threat
- 1.Bh1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- R(b);OGATE::R(H),XR(b)
- R(b);OGATE,P_PINS(C)::R(H)
- R(b);OGATE::R(H)
- B(h);OGATE::R(I)
- B(h);OGATE,P_PINP(D)::R(I)
- S(d);OGATE::QAR(G)
- S(f);OGATE::R(I)
- S(f);OGATE,XB(F)::R(I)
- P(g);OGATE,XQ(G)::R(H)
- Tries
- Try
- B(F);
- Threat
- QAR1(G)
- Vars
- P(g);OGATE,XQ(G)::R(H)
- B(h);OGATE::R(I)
- S(d);OGATE::QAR(G)
- S(f);OGATE::R(I)
- P(e);OGATE::QAR(G)
- Refutation
- R(b);P_PINS(C)
- Try
- B(F);
- Threat
- QAR1(G)
- Vars
- P(g);OGATE,XQ(G)::R(H)
- R(b);OGATE,P_PINS(C)::R(H)
- B(h);OGATE::R(I)
- S(d);OGATE::QAR(G)
- P(e);OGATE::QAR(G)
- Refutation
- S(f);
- Try
- B(F);
- Threat
- QAR1(G)
- Vars
- P(g);OGATE,XQ(G)::R(H)
- B(h);OGATE::R(I)
- S(f);OGATE::R(I)
- P(e);OGATE::QAR(G)
- Refutation
- S(d);
- Try
- B(F);
- Threat
- QAR1(G)
- Vars
- P(g);OGATE,XQ(G)::R(H)
- R(b);OGATE,P_PINS(C)::R(H)
- B(h);OGATE::R(I)
- S(d);OGATE::QAR(G)
- S(f);OGATE::R(I)
- Refutation
- P(e);
- Try
- B(F);
- Threat
- QAR1(G)
- Vars
- R(b);OGATE,P_PINS(C)::R(H)
- B(h);OGATE::R(I)
- S(d);OGATE::QAR(G)
- S(f);OGATE::R(I)
- P(e);OGATE::QAR(G)
- Refutation
- P(g);XQ(G)
- Try
- B(F);
- Threat
- QAR1(G)
- Vars
- P(g);OGATE,XQ(G)::R(H)
- R(b);OGATE,P_PINS(C)::R(H)
- S(d);OGATE::QAR(G)
- S(f);OGATE::R(I)
- P(e);OGATE::QAR(G)
- Refutation
- B(h);
- Try
- Q(G);XB(h)
- Threat
- QAB(G)
- Vars
- S(f);OGATE,XQ(G)::R(I)
- S(d);OGATE::QAR(G)
- Refutation
- R(b);XP(E)
- Try
- Actual
- B(F);
- Threat
- QAR1(G)
- Vars
- P(g);OGATE,XQ(G)::R(H)
- R(b);OGATE,P_PINS(C)::R(H)
- B(h);OGATE::R(I)
- S(d);OGATE::QAR(G)
- S(f);OGATE::R(I)
- P(e);OGATE::QAR(G)
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).