MESON Chess Problem Database
Problem Display
PID: 107105 (4N3/8/2p1Q1n1/2kqb2R/1R1N4/P3B3/3K4/7b w - - 0 1)
Pimenov, Sergey Ivanovich
Pimenov, Vitaly Ivanovich
BCF 001. Ty., 1929-1930
#2
8 + 6
| 56 | The Problemist | 1930 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa2+
- 2.Sc2#
- 1...Qg2+
- 2.Se2#
- 1...Qb3
- 2.Sxb3#
- 2.Qd6#
- 1...Qf3
- 2.Sb3#
- 2.Sxf3#
- 2.Qc4#
- 2.Qd6#
- 1...Qc4
- 2.Sb3#
- 2.Qxc4#
- 2.Qd6#
- 1...Qe4
- 2.Sb3#
- 2.Qc4#
- 2.Qd6#
- 1...Qxd4+
- 2.Bxd4#
- 1...Qd6
- 2.Qc4#
- 2.Qxd6#
- 1...Qd7
- 2.Qc4#
- 1...Qd8
- 2.Qc4#
- 1...Bh2
- 2.Qxc6#
- 1...Bg3
- 2.Qxc6#
- 1...Bxd4
- 2.Bxd4#
- 2.Qd6#
- 1...Bf4
- 2.Qxc6#
- 1...Bd6
- 2.Qxd6#
- 1...Bf6
- 2.Qxc6#
- 2.Qd6#
- 1...Bc7
- 2.Qxc6#
- 1...Bg7
- 2.Qxc6#
- 2.Qd6#
- 1...Bb8
- 2.Qxc6#
- 1...Bh8
- 2.Qxc6#
- 2.Qd6#
- 1...Qa2+
- Tries
- 1.Kc1?
- threat
- 2.Sb3#
- 1...Qc4+
- 2.Qxc4#
- 1...Qxd4
- 2.Bxd4#
- 2.Qc4#
- 2.Qd6#
- 1...Bxd4
- 2.Bxd4#
- 2.Qd6#
- 1...Qb3
- 2.Sxb3#
- 2.Qd6#
- 1...Qxe6!
- threat
- 1.Rxe5?
- threat
- 2.Qxc6#
- 2.Qd6#
- 1...Qxe5
- 2.Sb3#
- 2.Qc4#
- 1...Se7
- 2.Qd6#
- 2.Qxe7#
- 1...Sxe5!
- threat
- 1.Qd7?
- threat
- 2.Qa7#
- 1...Qa2+
- 2.Sc2#
- 1...Qg2+
- 2.Se2#
- 1...Qxd4+
- 2.Bxd4#
- 2.Qxd4#
- 1...Qd6
- 2.Qxd6#
- 1...Qb3
- 2.Sxb3#
- 2.Se6#
- 2.Qd6#
- 1...Qf3
- 2.Sb3#
- 2.Sxf3#
- 2.Se6#
- 2.Qd6#
- 1...Qc4
- 2.Sb3#
- 2.Se6#
- 2.Qd6#
- 1...Qe4
- 2.Sb3#
- 2.Se6#
- 2.Qd6#
- 1...Qe6
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sxc6#
- 2.Sxe6#
- 1...Qf7
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sxc6#
- 2.Se6#
- 2.Qd6#
- 1...Qg8
- 2.Sc2#
- 2.Se2#
- 2.Sb3#
- 2.Sf3#
- 2.Sb5#
- 2.Sxc6#
- 2.Se6#
- 2.Qd6#
- 1...Bc7
- 2.Qxc6#
- 1...Bb8
- 2.Qxc6#
- 1...Qxd7!
- threat
- 1.Qe7+?
- 1...Qd6
- 2.Qxd6#
- 1...Bd6
- 2.Qxd6#
- 2.Qa7#
- 1...Sxe7!
- 1...Qd6
- 1.Kc1?
- Keys
- 1.Sc7!
- threat
- 2.Sa6#
- 1...Qa2+
- 2.Sc2#
- 1...Qg2+
- 2.Se2#
- 1...Qxd4+
- 2.Bxd4#
- 1...Qxe6
- 2.Sdb5#
- 1...Bxc7
- 2.Qxc6#
- 1...Qc4
- 2.Sb3#
- threat
- 1.Sc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- Q(c);CHECK,N_PINS(E),P_SPINB(d)::B(C)+S(E)
- Q(c);CHECK,OGATE,P_SPINB(d),P_SPINQ(c),XS(E)::B(C),XQ(c)
- Q(c);OGATE,P_SPINB(d)::QAR1(G)
- B(d);P_SPINQ(c)::QAR1(G),XP(e)
- B(d);P_PINB(C),P_SPINQ(c)::QAR1(G),XP(e)
- B(d);N_GUARD,P_SPINQ(c)::QAB1(G),XB(d)
- Tries
- Try
- K(A);N_SPINS(E),S_FLIGHT
- Threat
- B(C)+S(E),DCHECK
- Vars
- Q(c);CHECK,OGATE,P_SPINB(d)::QAR1(G),XQ(c)
- Refutation
- Q(c);P_SPINB(d),XQ(G)
- Try
- R(F);P_PINQ(c),XB(d)
- Threat
- DUALS(2)
- Refutation
- S(f);N_SPINQ(c),XR(F)
- Try
- Q(G);
- Threat
- QAB(G)
- Vars
- Q(c);CHECK,N_PINS(E),P_SPINB(d)::B(C)+S(E)
- Q(c);N_GUARD,P_SPINB(d)::QAB1(G),XQ(c)
- B(d);P_SPINQ(c)::QAR1(G),XP(e)
- Refutation
- Q(c);P_SPINB(d),XQ(G)
- Try
- Q(G);CHECK
- Vars
- Q(c);N_GUARD,P_SPINB(d),P_SPINQ(c)::QAB1(G),XQ(c)
- Refutation
- S(f);XQ(G)
- Try
- Actual
- S(H);
- Threat
- S(H)
- Vars
- Q(c);CHECK,N_PINS(E),P_SPINB(d)::B(C)+S(E)
- Q(c);CHECK,OGATE,P_SPINB(d),P_SPINQ(c),XS(E)::B(C),XQ(c)
- Q(c);N_PINS(E),P_SPINB(d),XQ(G)::B(C)+S(E)
- B(d);P_SPINQ(c),XS(H)::QAR1(G),XP(e)
- Q(c);N_PINS(E),P_SPINB(d)::B(C)+S(E),DCHECK
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).