MESON Chess Problem Database
Problem Display
PID: 245418 (3K1N2/1ppQ4/8/2p3p1/3Bk3/1R3R1P/6pp/5bq1 w - - 0 1)
Pankratiev, Aleksandr Nikolaevich
Pat a Mat, 1989
#2
7 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qe3
- 2.Rbxe3#
- 1...Qh1
- 2.Rbe3#
- 1...cxd4
- 2.Qf5#
- 2.Qe6#
- 1...Qe3
- Tries
- 1.Sh7?
- threat
- 2.Sxg5#
- 2.Sf6#
- 1...cxd4
- 2.Qf5#
- 2.Qe6#
- 1...Qe3
- 2.Rbxe3#
- 1...Bd3
- 2.Sxg5#
- 1...g4
- 2.Sg5#
- 2.Sf6#
- 1...Qxd4!
- threat
- 1.Ba1?
- threat
- 2.Qf5#
- 2.Qe6#
- 1...Qe3
- 2.Rbxe3#
- 2.Qf5#
- 1...Bd3
- 2.Qf5#
- 2.Qxd3#
- 1...Bc4
- 2.Qf5#
- 1...Qd4!
- threat
- 1.Bb2?
- threat
- 2.Qf5#
- 2.Qe6#
- 1...Qe3
- 2.Rbxe3#
- 2.Qf5#
- 1...Bd3
- 2.Qf5#
- 2.Qxd3#
- 1...Bc4
- 2.Qf5#
- 1...Qd4!
- threat
- 1.Bf2?
- threat
- 2.Rbe3#
- 2.Qf5#
- 2.Qe6#
- 1...Ke5
- 2.Rbe3#
- 2.Qe6#
- 1...Bd3
- 2.Qf5#
- 1...Bc4
- 2.Rbe3#
- 2.Qf5#
- 1...Qxf2!
- threat
- 1.Bxc5?
- threat
- 2.Qf5#
- 2.Qe6#
- 1...Ke5
- 2.Qf5#
- 2.Qe6#
- 1...Qe3
- 2.Rbxe3#
- 2.Qf5#
- 1...Bd3
- 2.Qf5#
- 1...Qd4
- 2.Qxd4#
- 1...Bc4
- 2.Qf5#
- 1...Qxc5!
- threat
- 1.Bf6?
- threat
- 2.Qf5#
- 2.Qe6#
- 1...Qe3
- 2.Rbxe3#
- 2.Qf5#
- 1...Bd3
- 2.Qf5#
- 2.Qxd3#
- 1...Bc4
- 2.Qf5#
- 1...Qd4!
- threat
- 1.Bg7?
- threat
- 2.Qf5#
- 2.Qe6#
- 1...Qe3
- 2.Rbxe3#
- 2.Qf5#
- 1...Bd3
- 2.Qf5#
- 2.Qxd3#
- 1...Bc4
- 2.Qf5#
- 1...Qd4!
- threat
- 1.Bh8?
- threat
- 2.Qf5#
- 2.Qe6#
- 1...Qe3
- 2.Rbxe3#
- 2.Qf5#
- 1...Bd3
- 2.Qf5#
- 2.Qxd3#
- 1...Bc4
- 2.Qf5#
- 1...Qd4!
- threat
- 1.Rfe3+?
- 1...Kf4
- 2.Sg6#
- 2.Be5#
- 2.Qg4#
- 2.Qf7#
- 1...Qxe3!
- 1...Kf4
- 1.Rf4+?
- 1...Kxf4
- 2.Qg4#
- 1...gxf4!
- 1...Kxf4
- 1.Sh7?
- Keys
- 1.Be3!
- threat
- 2.Qf5#
- 1...Kxf3
- 2.Qg4#
- 1...Ke5
- 2.Qe6#
- 1...Qxe3
- 2.Rbxe3#
- threat
- 1.Be3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- Q(b);N_GUARD::R1(A),XQ(b)
- Q(b);N_GUARD::R1(A)
- Tries
- Try
- S(G);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD::R1(A),XQ(b)
- B(a);::S(G),XP(g)
- Refutation
- Q(b);P_PINQ(E),XB(D)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(E)
- Refutation
- Q(b);P_PINQ(E)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(E)
- Refutation
- Q(b);P_PINQ(E)
- Try
- B(D);
- Threat
- DUALS(3)
- Vars
- B(a);::QAB1(E)
- Refutation
- Q(b);XB(D)
- Try
- B(D);XP(f)
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(E)
- Q(b);N_GUARD,P_PINQ(E)::QAR1(E),XQ(b)
- Refutation
- Q(b);XB(D)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(E)
- Refutation
- Q(b);P_PINQ(E)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(E)
- Refutation
- Q(b);P_PINQ(E)
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- B(a);::QAB1(E)
- Refutation
- Q(b);P_PINQ(E)
- Try
- R(B);CHECK
- Refutation
- Q(b);XR(B)
- Try
- R(B);CHECK
- Vars
- K(e);P-FLIGHT,XR(B)::QAR1(E)
- Refutation
- P(g);XR(B)
- Try
- Actual
- B(D);
- Threat
- QAB1(E)
- Vars
- K(e);S_FLIGHT,XR(B)::QAB1(E)
- K(e);P-FLIGHT::QAR1(E)
- Q(b);OGATE,XB(D)::R1(A),XQ(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).