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Problem Display

PID: 273239 (3B3k/7P/1pPp2PP/1p2K3/2p2p2/2P5/1P1QR3/q7 w - - 0 1)

Ivanic, Petar

Mat, 1972

3B3k/7P/1pPp2PP/1p2K3/2p2p2/2P5/1P1QR3/q7

#2

10 + 7

SOLUTION

SOUND
Tries
- 1.Kd4?
  - threat
    - 2.Bf6#
    - 2.Re8#
  - 1...Qe1
    - 2.Bf6#
  - 1...Qa7
    - 2.Re8#
  - 1...Qg1+!
- 1.Kxf4?
  - threat
    - 2.Bf6#
    - 2.Re8#
    - 2.Qd4#
  - 1...Qc1
    - 2.Bf6#
    - 2.Re8#
  - 1...Qd1
    - 2.Bf6#
    - 2.Re8#
  - 1...Qe1
    - 2.Bf6#
    - 2.Qd4#
  - 1...Qg1
    - 2.Bf6#
    - 2.Re8#
  - 1...Qa7
    - 2.Re8#
  - 1...Qf1+!
- 1.Kd5?
  - threat
    - 2.Bf6#
    - 2.Re8#
    - 2.Qd4#
  - 1...Qd1
    - 2.Bf6#
    - 2.Re8#
  - 1...Qe1
    - 2.Bf6#
    - 2.Qd4#
  - 1...Qg1
    - 2.Bf6#
    - 2.Re8#
  - 1...Qa7
    - 2.Re8#
  - 1...Qh1+!
- 1.Kf5?
  - threat
    - 2.Bf6#
    - 2.Re8#
    - 2.Qd4#
  - 1...Qd1
    - 2.Bf6#
    - 2.Re8#
  - 1...Qe1
    - 2.Bf6#
    - 2.Qd4#
  - 1...Qg1
    - 2.Bf6#
    - 2.Re8#
  - 1...Qa7
    - 2.Re8#
  - 1...Qb1+!
- 1.Kxd6?
  - threat
    - 2.Bf6#
    - 2.Re8#
    - 2.Qd4#
  - 1...Qd1
    - 2.Bf6#
    - 2.Re8#
  - 1...Qe1
    - 2.Bf6#
    - 2.Qd4#
  - 1...Qg1
    - 2.Bf6#
    - 2.Re8#
  - 1...Qa7
    - 2.Re8#
  - 1...Qa3+!
- 1.Ke6?
  - threat
    - 2.Bf6#
    - 2.Qd4#
  - 1...Qd1
    - 2.Bf6#
  - 1...Qg1
    - 2.Bf6#
  - 1...Qa7!
Keys
- 1.Qxd6!
  - threat
    - 2.Bf6#
    - 2.Qf8#
    - 2.Qf6#
  - 1...Qa3
    - 2.Bf6#
    - 2.Qf6#
  - 1...Qa7
    - 2.Qf8#

FEATURES

Static
- TYPE = WHITE_IN_CHECK
Tries
- Try
  - K(E);S_FLIGHT
  - Threat
    - DUALS(2)
  - Vars
    - Q(a);::B(J)
    - Q(a);::R(C)
  - Refutation
    - Q(a);CHECK
- Try
  - K(E);S_FLIGHT,XP(c)
  - Threat
    - DUALS(3)
  - Vars
    - Q(a);::R(C)
  - Refutation
    - Q(a);CHECK
- Try
  - K(E);P-FLIGHT
  - Threat
    - DUALS(3)
  - Vars
    - Q(a);::R(C)
  - Refutation
    - Q(a);CHECK
- Try
  - K(E);P-FLIGHT
  - Threat
    - DUALS(3)
  - Vars
    - Q(a);::R(C)
  - Refutation
    - Q(a);CHECK
- Try
  - K(E);S_FLIGHT,XP(f)
  - Threat
    - DUALS(3)
  - Vars
    - Q(a);::R(C)
  - Refutation
    - Q(a);CHECK
- Try
  - K(E);P-FLIGHT
  - Threat
    - DUALS(2)
  - Vars
    - Q(a);::B(J)
  - Refutation
    - Q(a);
Actual
- Q(B);XP(f)
- Threat
  - DUALS(3)
- Vars
  - Q(a);::QAR2(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).