MESON Chess Problem Database
Problem Display
PID: 133665 (K2n4/p7/3P1pB1/Np1k4/pB3Q1b/1p2R3/3NP3/7b w - - 0 1)
Rossomakho, Yakov V
1st Prize, Zadachi i Etyudi, 2006
#2
9 + 9
| 145 | StrateGems | 2009 |
| 15323 | FIDE Album (2004-2006) | 2013 |
| 23 | Die Schwalbe | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Be4
- 2.Qxe4#
- 1...Sc6
- 2.Bf7#
- 1...Sb7
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...f5
- 2.Re5#
- 2.Qe5#
- 1...Be4
- Tries
- 1.Sb1?
- threat
- 2.Sc3#
- 1...Be4
- 2.Qxe4#
- 1...Be1!
- threat
- 1.Sdxb3?
- threat
- 2.Qd4#
- 2.Qf5#
- 1...Be4
- 2.Qxe4#
- 1...Bg3
- 2.Qd4#
- 1...Sc6
- 2.Bf7#
- 1...Se6
- 2.Qf5#
- 1...Sf7
- 2.Bxf7#
- 2.Qd4#
- 1...f5
- 2.Re5#
- 2.Qe5#
- 2.Qd4#
- 2.Qxf5#
- 1...axb3!
- threat
- 1.Sf3?
- threat
- 2.Qd4#
- 2.Qe4#
- 2.Qf5#
- 1...Bg3
- 2.Qd4#
- 2.Qe4#
- 1...Sc6
- 2.Bf7#
- 2.Qe4#
- 1...Se6
- 2.Be4#
- 2.Qe4#
- 2.Qf5#
- 1...Sf7
- 2.Bxf7#
- 2.Qd4#
- 2.Qe4#
- 1...f5
- 2.Re5#
- 2.Qe5#
- 2.Qd4#
- 2.Qxf5#
- 1...Bxf3!
- threat
- 1.Be4+?
- 1...Kd4
- 2.Bxh1#
- 2.Bg2#
- 2.Bf3#
- 2.Rd3#
- 1...Bxe4
- 2.Qxe4#
- 1...Ke6!
- 1...Kd4
- 1.Bf5?
- threat
- 2.Rd3#
- 1...Be4
- 2.Qxe4#
- 1...Sc6
- 2.Be6#
- 1...Se6
- 2.Bxe6#
- 1...Bf2!
- threat
- 1.Bf7+?
- 1...Se6
- 2.Bxe6#
- 2.Rd3#
- 1...Sxf7!
- 1...Se6
- 1.Re4?
- threat
- 2.Qf5#
- 1...Bxe4
- 2.Qxe4#
- 1...Sc6
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...f5
- 2.Re5#
- 2.Qe5#
- 2.Qxf5#
- 1...Bg3!
- threat
- 1.Qxf6?
- threat
- 2.Rd3#
- 2.Qe5#
- 1...Be4
- 2.Bxe4#
- 1...Bf2
- 2.Qe5#
- 1...Bg3
- 2.Rd3#
- 1...Sc6
- 2.Bf7#
- 1...Se6
- 2.Qe5#
- 1...Sf7
- 2.Bxf7#
- 2.Rd3#
- 1...Bxf6!
- threat
- 1.d7?
- threat
- 2.Qd6#
- 1...Sb7
- 2.Bf7#
- 1...Sf7
- 2.Bxf7#
- 1...Bg3!
- threat
- 1.Sb1?
- Keys
- 1.Se4!
- threat
- 2.Sc3#
- 1...Kd4
- 2.Rd3#
- 1...Ke6
- 2.Qf5#
- 1...Bxe4
- 2.Qxe4#
- 1...Be1
- 2.Sxf6#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD::QAB1(E),XB(a)
- S(i);N_GUARD::B(H)
- S(i);N_GUARD::B(H),XS(i)
- Tries
- Try
- S(A);
- Threat
- S(A)
- Vars
- B(a);N_GUARD::QAB1(E),XB(a)
- Refutation
- B(d);
- Try
- S(A);XP(b)
- Threat
- DUALS(2)
- Vars
- B(a);N_GUARD::QAB1(E),XB(a)
- B(d);::QAR1(E)
- S(i);N_GUARD::B(H)
- S(i);::QAR2(E)
- Refutation
- P(c);XS(A)
- Try
- S(A);
- Threat
- DUALS(3)
- Refutation
- B(a);XS(A)
- Try
- B(H);CHECK
- Vars
- B(a);OGATE,XB(H)::QAB1(E),XB(a)
- Refutation
- K(f);P_PINB(H),S_FLIGHT
- Try
- B(H);
- Threat
- R(C)
- Vars
- B(a);N_GUARD::QAB1(E),XB(a)
- S(i);N_GUARD::B(H)
- S(i);N_GUARD::B(H),XS(i)
- Refutation
- B(d);
- Try
- B(H);CHECK
- Refutation
- S(i);XB(H)
- Try
- R(C);
- Threat
- QAR2(E)
- Vars
- B(a);OGATE,XR(C)::QAB1(E),XB(a)
- S(i);N_GUARD::B(H)
- S(i);N_GUARD::B(H),XS(i)
- Refutation
- B(d);
- Try
- Q(E);XP(g)
- Threat
- DUALS(2)
- Vars
- B(a);N_GUARD::B(H),XB(a)
- B(d);::QAR1(E)
- B(d);::R(C)
- S(i);N_GUARD::B(H)
- S(i);::QAR1(E)
- Refutation
- B(d);XQ(E)
- Try
- P(G);
- Threat
- QAR1(E)
- Vars
- S(i);N_GUARD::B(H)
- S(i);N_GUARD::B(H),XS(i)
- Refutation
- B(d);
- Try
- Actual
- S(A);
- Threat
- S(A)
- Vars
- K(f);P-FLIGHT,P_PINS(A)::R1(C)
- K(f);P_PINS(A),S_FLIGHT::QAB1(E)
- B(a);OGATE,XS(A)::QAB1(E),XB(a)
- B(d);N_GUARD::S(A),XP(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).