MESON Chess Problem Database
Problem Display
PID: 30765 (2NN4/p7/B4np1/2kq2R1/8/2B2Q2/8/7K w - - 0 1)
Maximov, Nikolai J
3rd Prize, Barmen Chess Club, 1905
#2
7 + 5
| 2638 | White to Play | 1913 |
| 16265 | The Two-move Chess Problem in the Soviet Union 1923-1943 | 1943 |
SOLUTION
- SOUND
- Sets
- 1...Qe5
- 2.Se6#
- 2.Sb7#
- 2.Qc6#
- 1...Qf5
- 2.Se6#
- 2.Sb7#
- 2.Qc6#
- 1...Qxg5
- 2.Se6#
- 2.Sb7#
- 2.Qc6#
- 1...Se4
- 2.Qe3#
- 1...Sg4
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sd7
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh7
- 2.Rxd5#
- 2.Qxd5#
- 1...Se8
- 2.Rxd5#
- 2.Qxd5#
- 1...Sg8
- 2.Rxd5#
- 2.Qxd5#
- 1...Qe5
- Tries
- 1.Kg1?
- threat
- 2.Qf2#
- 2.Qe3#
- 1...Qe5
- 2.Se6#
- 2.Sb7#
- 2.Qc6#
- 1...Qf5
- 2.Se6#
- 2.Sb7#
- 2.Qc6#
- 1...Se4
- 2.Qe3#
- 1...Sg4
- 2.Rxd5#
- 2.Qxd5#
- 2.Qf8#
- 1...Qxg5+!
- threat
- 1.Kg2?
- 1...Qe5
- 2.Se6#
- 2.Sb7#
- 2.Qc6#
- 1...Qf5
- 2.Se6#
- 2.Sb7#
- 2.Qc6#
- 1...Se4
- 2.Qe3#
- 1...Sg4
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sd7
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh7
- 2.Rxd5#
- 2.Qxd5#
- 1...Se8
- 2.Rxd5#
- 2.Qxd5#
- 1...Sg8
- 2.Rxd5#
- 2.Qxd5#
- 1...Qxg5+!
- 1...Qe5
- 1.Bd2?
- 1...Qxg5
- 2.Se6#
- 1...Qe5
- 2.Se6#
- 1...Qf5
- 2.Se6#
- 1...Se4
- 2.Qe3#
- 1...Sg4
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sd7
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh7
- 2.Rxd5#
- 2.Qxd5#
- 1...Se8
- 2.Rxd5#
- 2.Qxd5#
- 1...Sg8
- 2.Rxd5#
- 2.Qxd5#
- 1...Kd4!
- 1...Qxg5
- 1.Ba5?
- 1...Qxg5
- 2.Se6#
- 1...Qe5
- 2.Se6#
- 1...Qf5
- 2.Se6#
- 1...Se4
- 2.Qe3#
- 1...Sg4
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sd7
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh7
- 2.Rxd5#
- 2.Qxd5#
- 1...Se8
- 2.Rxd5#
- 2.Qxd5#
- 1...Sg8
- 2.Rxd5#
- 2.Qxd5#
- 1...Kd4!
- 1...Qxg5
- 1.Re5?
- 1...Qxe5
- 2.Sb7#
- 2.Qc6#
- 1...Se4
- 2.Qe3#
- 1...Sg4
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sd7
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh7
- 2.Rxd5#
- 2.Qxd5#
- 1...Se8
- 2.Rxd5#
- 2.Qxd5#
- 1...Sg8
- 2.Rxd5#
- 2.Qxd5#
- 1...g5!
- 1...Qxe5
- 1.Qg2?
- 1...Qxg5
- 2.Se6#
- 2.Sb7#
- 2.Qc6#
- 1...Qe5
- 2.Se6#
- 2.Sb7#
- 2.Qc6#
- 1...Qf5
- 2.Se6#
- 2.Sb7#
- 2.Qc6#
- 1...Sg4
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sd7
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh7
- 2.Rxd5#
- 2.Qxd5#
- 1...Se8
- 2.Rxd5#
- 2.Qxd5#
- 1...Sg8
- 2.Rxd5#
- 2.Qxd5#
- 1...Se4!
- 1...Qxg5
- 1.Kg1?
- Keys
- 1.Be1!
- 1...Kd4
- 2.Bf2#
- 1...Qxg5
- 2.Se6#
- 1...Qe5
- 2.Se6#
- 1...Qf5
- 2.Se6#
- 1...Se4
- 2.Qe3#
- 1...Sg4
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh5
- 2.Rxd5#
- 2.Qxd5#
- 1...Sd7
- 2.Rxd5#
- 2.Qxd5#
- 1...Sh7
- 2.Rxd5#
- 2.Qxd5#
- 1...Se8
- 2.Rxd5#
- 2.Qxd5#
- 1...Sg8
- 2.Rxd5#
- 2.Qxd5#
- 1...Kd4
- 1.Be1!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(c);N_PINQ(C)::QAB(C)
- Tries
- Try
- K(A);N_SPINQ(C),P-FLIGHT
- Threat
- DUALS(2)
- Vars
- S(c);::QAB(C)
- Refutation
- Q(b);CHECK,N_SPINQ(b),XR(D)
- Try
- K(A);S_FLIGHT
- Vars
- S(c);N_PINQ(C)::QAB(C)
- Refutation
- Q(b);CHECK,N_PINQ(C),N_SPINQ(b),XR(D)
- Try
- B(B);
- Vars
- Q(b);N_PINQ(C),N_SPINQ(b),XR(D)::S(G)
- Q(b);N_PINQ(C)::S(G)
- S(c);N_PINQ(C)::QAB(C)
- Refutation
- K(a);N_SPINQ(b),S_FLIGHT
- Try
- B(B);
- Vars
- Q(b);N_PINQ(C),N_SPINQ(b),XR(D)::S(G)
- Q(b);N_PINQ(C)::S(G)
- S(c);N_PINQ(C)::QAB(C)
- Refutation
- K(a);N_SPINQ(b),S_FLIGHT
- Try
- R(D);
- Vars
- S(c);N_PINQ(C)::QAB(C)
- Refutation
- P(d);
- Try
- Q(C);
- Refutation
- S(c);N_PINQ(C)
- Try
- Actual
- B(B);
- Vars
- K(a);N_SPINQ(b),S_FLIGHT::B(B)
- Q(b);N_PINQ(C),N_SPINQ(b),XR(D)::S(G)
- Q(b);N_PINQ(C)::S(G)
- S(c);N_PINQ(C)::QAB(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).