MESON Chess Problem Database
Problem Display
PID: 240054 (4B1q1/P3B1b1/p7/7n/r1k1N1p1/pR3p2/2K3Q1/3R2n1 w - - 0 1)
Mosiashvili, Givi
1st Comm., Pat a Mat, 2004
#2
8 + 10
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qf7
- 2.Bxf7#
- 1...Qh7
- 2.Bf7#
- 1...Qh8
- 2.Bf7#
- 1...Rb4
- 2.Rxb4#
- 1...Ra5
- 2.Rb4#
- 1...Bc3
- 2.Rxc3#
- 1...Bh6
- 2.Rc3#
- 1...Bf8
- 2.Rc3#
- 1...Sh3
- 2.Qf1#
- 1...Sf6
- 2.Rc3#
- 1...a5
- 2.Bb5#
- 1...Qf7
- Tries
- 1.Rdd3?
- threat
- 2.Sd2#
- 1...Bc3
- 2.Rbxc3#
- 1...Bh6
- 2.Rbc3#
- 1...Bd4!
- threat
- 1.Rd8?
- threat
- 2.Sd2#
- 1...Qh7
- 2.Bf7#
- 1...Bc3
- 2.Rxc3#
- 1...Bh6
- 2.Rc3#
- 1...Qd5!
- threat
- 1.Rbd3?
- threat
- 2.Sd2#
- 1...Bd4
- 2.Rxd4#
- 1...Bc3
- 2.Rxc3#
- 1...Bh6
- 2.Rc3#
- 2.Rd4#
- 1...Qxe8!
- threat
- 1.Qxg1?
- threat
- 2.Sd6#
- 2.Qc5#
- 2.Qf1#
- 1...Bd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Qe6
- 2.Qc5#
- 2.Qf1#
- 1...Qh7
- 2.Bf7#
- 2.Qc5#
- 2.Qf1#
- 1...Ra5
- 2.Sd6#
- 2.Rb4#
- 2.Qf1#
- 1...Be5
- 2.Qc5#
- 2.Qf1#
- 1...Sg3
- 2.Sd6#
- 2.Qc5#
- 1...Sf4
- 2.Sd6#
- 2.Qc5#
- 1...f2
- 2.Qf1#
- 1...Qd5!
- threat
- 1.Qd2?
- threat
- 2.Qd3#
- 1...Bd4
- 2.Qxd4#
- 1...Qd5
- 2.Qxd5#
- 1...Sf4!
- threat
- 1.Qf2?
- threat
- 2.Sd6#
- 2.Qc5#
- 1...Bd4
- 2.Rxd4#
- 2.Qxd4#
- 1...Qe6
- 2.Qc5#
- 1...Qh7
- 2.Bf7#
- 2.Qc5#
- 1...Ra5
- 2.Sd6#
- 2.Rb4#
- 1...Be5
- 2.Qc5#
- 1...Qd5!
- threat
- 1.a8Q?
- threat
- 2.Qc6#
- 2.Qc8#
- 1...Qxe8
- 2.Qd5#
- 1...Qd5
- 2.Qxd5#
- 1...Ra5
- 2.Rb4#
- 1...Bd4
- 2.Sd2#
- 1...Be5
- 2.Qc6#
- 1...Qe6!
- threat
- 1.Rdd3?
- Keys
- 1.Qxg4!
- threat
- 2.Qc8#
- 1...Qxe8
- 2.Qe6#
- 1...Bd4
- 2.Qxg8#
- 1...Qd5
- 2.Sd2#
- 1...Qe6
- 2.Qxe6#
- 1...Ra5
- 2.Rb4#
- 1...Be5
- 2.Qxg8#
- threat
- 1.Qxg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 10
- Sets
- Q(j);N_GUARD::B(H),XQ(j)
- Q(j);N_GUARD,P_PINS(E)::B(H)
- Q(j);N_GUARD::B(H)
- R(d);N_GUARD::R1(D),XR(d)
- R(d);N_GUARD::R1(D)
- B(i);N_GUARD::R1(D),XB(i)
- B(i);N_GUARD::R1(D)
- S(a);N_GUARD::QAB(C)
- S(g);S_CUTB(i)::R1(D)
- P(h);N_GUARD::B(H)
- Tries
- Try
- R(A);
- Threat
- S(E)
- Vars
- B(i);N_GUARD::R1(D),XB(i)
- B(i);N_GUARD::R1(D)
- Refutation
- B(i);
- Try
- R(A);
- Threat
- S(E)
- Vars
- Q(j);N_GUARD,P_PINS(E)::B(H)
- B(i);N_GUARD::R1(D),XB(i)
- B(i);N_GUARD::R1(D)
- Refutation
- Q(j);
- Try
- R(D);
- Threat
- S(E)
- Vars
- B(i);N_GUARD::R1(D),XB(i)
- Refutation
- Q(j);XB(H)
- Try
- Q(C);XS(a)
- Threat
- DUALS(3)
- Vars
- P(c);::QAB(C)
- Refutation
- Q(j);
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- B(i);N_GUARD::QAR1(C),XB(i)
- Q(j);N_GUARD::QAB1(C),XQ(j)
- Refutation
- S(g);
- Try
- Q(C);
- Threat
- DUALS(2)
- Vars
- Q(j);::QAR1(C)
- B(i);::QAR1(C)
- Refutation
- Q(j);
- Try
- P(F);
- Threat
- DUALS(2)
- Vars
- Q(j);N_GUARD,XB(H)::QAB1(F)
- Q(j);N_GUARD::QAB1(F),XQ(j)
- R(d);N_GUARD::R1(D)
- B(i);SBLOCK::S(E)
- B(i);::QAR2(F)
- Refutation
- Q(j);
- Try
- Actual
- Q(C);XP(f)
- Threat
- QAR(C)
- Vars
- Q(j);N_GUARD,XB(H)::QAB(C)
- B(i);OGATE::QAB(C),XQ(j)
- Q(j);SBLOCK::QAR(C)+S(E),DCHECK
- Q(j);N_GUARD::QAB(C),XQ(j)
- R(d);N_GUARD::R1(D)
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).