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Problem Display

PID: 103277 (8/2Nb1p2/8/2n3r1/1pB4R/2k5/2P3p1/1K1R4 w - - 0 1)

Marandiuk, Mikhail Nazarovich

Moldavian Ty., 1968

8/2Nb1p2/8/2n3r1/1pB4R/2k5/2P3p1/1K1R4

#2

6 + 7

6490	yacpdb	2009

SOLUTION

SOUND
Sets
- 1...Rg3
  - 2.Sd5#
- 1...Rd5
  - 2.Sxd5#
- 1...Rg6
  - 2.Sd5#
- 1...Rg7
  - 2.Sd5#
- 1...Rg8
  - 2.Sd5#
- 1...Bh3
  - 2.Sb5#
- 1...Bb5
  - 2.Sxb5#
- 1...Bf5
  - 2.Sb5#
  - 2.Sd5#
- 1...Be6
  - 2.Sb5#
- 1...Bc8
  - 2.Sb5#
- 1...Sb3
  - 2.Rd3#
- 1...Sd3
  - 2.Rxd3#
- 1...Sa4
  - 2.Rd3#
- 1...Sa6
  - 2.Rd3#
- 1...Se6
  - 2.Rd3#
- 1...Sb7
  - 2.Rd3#
- 1...f5
  - 2.Sd5#
Tries
- 1.Ba2?
  - threat
    - 2.Rc4#
  - 1...Rg4
    - 2.Sd5#
  - 1...Bg4
    - 2.Sb5#
  - 1...Bb5
    - 2.Sxb5#
  - 1...Be6
    - 2.Sb5#
  - 1...Sb3
    - 2.Rd3#
  - 1...Se4
    - 2.Rd3#
  - 1...b3!
- 1.Be2?
  - threat
    - 2.Rc4#
  - 1...Rg4
    - 2.Sd5#
  - 1...Bg4
    - 2.Sb5#
  - 1...Bb5
    - 2.Sxb5#
  - 1...Be6
    - 2.Sb5#
  - 1...Sd3
    - 2.Rxd3#
  - 1...Se4!
- 1.Bd5?
  - threat
    - 2.Rc4#
  - 1...Rxd5
    - 2.Sxd5#
  - 1...Bg4
    - 2.Sb5#
  - 1...Bb5
    - 2.Sxb5#
  - 1...Se4
    - 2.Rd3#
  - 1...Rg4!
- 1.Ba6?
  - threat
    - 2.Rc4#
  - 1...Sxa6
    - 2.Rd3#
  - 1...Rg4
    - 2.Sd5#
  - 1...Bb5
    - 2.Sxb5#
  - 1...Be6
    - 2.Sb5#
  - 1...Se4
    - 2.Rd3#
  - 1...Bg4!
- 1.Bxf7?
  - threat
    - 2.Rc4#
  - 1...Bg4
    - 2.Sb5#
  - 1...Rd5
    - 2.Sxd5#
  - 1...Bb5
    - 2.Sxb5#
  - 1...Be6
    - 2.Sb5#
  - 1...Se4
    - 2.Rd3#
  - 1...Se6
    - 2.Rd3#
  - 1...Rg4!
Keys
- 1.Bb3!
  - threat
    - 2.Rc4#
  - 1...Sxb3
    - 2.Rd3#
  - 1...Rg4
    - 2.Sd5#
  - 1...Bg4
    - 2.Sb5#
  - 1...Bb5
    - 2.Sxb5#
  - 1...Be6
    - 2.Sb5#
  - 1...Se4
    - 2.Rd3#

FEATURES

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 13
Sets
- R(e);N_GUARD::S(F)
- R(e);N_GUARD::S(F),XR(e)
- B(f);N_GUARD::S(F)
- B(f);N_GUARD::S(F),XB(f)
- S(d);N_GUARD::R1(B)
- S(d);N_GUARD::R1(B),XS(d)
- P(g);S_CUTR(e)::S(F)
Tries
- Try
  - B(D);
  - Threat
    - R1(E)
  - Vars
    - R(e);N_GUARD::S(F)
    - B(f);N_GUARD::S(F)
    - B(f);N_GUARD::S(F),XB(f)
    - S(d);N_GUARD::R1(B)
  - Refutation
    - P(c);
- Try
  - B(D);
  - Threat
    - R1(E)
  - Vars
    - R(e);N_GUARD::S(F)
    - B(f);N_GUARD::S(F)
    - B(f);N_GUARD::S(F),XB(f)
    - S(d);N_GUARD::R1(B),XS(d)
  - Refutation
    - S(d);
- Try
  - B(D);
  - Threat
    - R1(E)
  - Vars
    - R(e);XB(D)::S(F),XR(e)
    - B(f);N_GUARD::S(F)
    - B(f);N_GUARD::S(F),XB(f)
    - S(d);N_GUARD::R1(B)
  - Refutation
    - R(e);
- Try
  - B(D);
  - Threat
    - R1(E)
  - Vars
    - S(d);N_GUARD,XB(D)::R1(B)
    - R(e);N_GUARD::S(F)
    - B(f);N_GUARD::S(F),XB(f)
    - B(f);N_GUARD::S(F)
    - S(d);N_GUARD::R1(B)
  - Refutation
    - B(f);
- Try
  - B(D);XP(g)
  - Threat
    - R1(E)
  - Vars
    - B(f);N_GUARD::S(F)
    - R(e);N_GUARD::S(F),XR(e)
    - B(f);N_GUARD::S(F),XB(f)
    - S(d);N_GUARD::R1(B)
  - Refutation
    - R(e);
Actual
- B(D);
- Threat
  - R1(E)
- Vars
  - S(d);N_GUARD,XB(D)::R1(B)
  - R(e);N_GUARD::S(F)
  - B(f);N_GUARD::S(F)
  - B(f);N_GUARD::S(F),XB(f)
  - S(d);N_GUARD::R1(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).