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Problem Display

PID: 39767 (8/8/8/1N2K3/p7/2B5/kp6/3Q4 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

8/8/8/1N2K3/p7/2B5/kp6/3Q4

#2

4 + 3

SOLUTION

SOUND
Sets
- 1...b1Q
  - 2.Qxa4#
- 1...b1S
  - 2.Qc2#
  - 2.Qd5#
- 1...b1B
  - 2.Qxa4#
  - 2.Qd5#
- 1...b1R
  - 2.Qxa4#
Tries
- 1.Kd4?
  - 1...b1Q
    - 2.Qxa4#
  - 1...b1S
    - 2.Qc2#
  - 1...b1B
    - 2.Qxa4#
  - 1...b1R
    - 2.Qxa4#
  - 1...a3!
- 1.Kf4?
  - 1...b1Q
    - 2.Qxa4#
  - 1...b1S
    - 2.Qc2#
    - 2.Qd5#
  - 1...b1B
    - 2.Qxa4#
    - 2.Qd5#
  - 1...b1R
    - 2.Qxa4#
  - 1...a3!
- 1.Kd5?
  - 1...b1Q
    - 2.Qxa4#
  - 1...b1S
    - 2.Qc2#
  - 1...b1B
    - 2.Qxa4#
  - 1...b1R
    - 2.Qxa4#
  - 1...a3!
- 1.Kd6?
  - 1...b1Q
    - 2.Qxa4#
  - 1...b1S
    - 2.Qc2#
    - 2.Qd5#
  - 1...b1B
    - 2.Qxa4#
    - 2.Qd5#
  - 1...b1R
    - 2.Qxa4#
  - 1...a3!
- 1.Ke6?
  - 1...b1Q
    - 2.Qxa4#
  - 1...b1S
    - 2.Qc2#
    - 2.Qd5#
  - 1...b1B
    - 2.Qxa4#
    - 2.Qd5#
  - 1...b1R
    - 2.Qxa4#
  - 1...a3!
- 1.Kf6?
  - 1...b1Q
    - 2.Qxa4#
  - 1...b1S
    - 2.Qc2#
    - 2.Qd5#
  - 1...b1B
    - 2.Qxa4#
    - 2.Qd5#
  - 1...b1R
    - 2.Qxa4#
  - 1...a3!
- 1.Qc2?
  - threat
    - 2.Qxb2#
  - 1...Ka1
    - 2.Qxb2#
  - 1...a3!
Keys
- 1.Bd4!
  - 1...b1Q
    - 2.Qxa4#
  - 1...b1S
    - 2.Qc2#
  - 1...b1B
    - 2.Qxa4#
  - 1...b1R
    - 2.Qxa4#
  - 1...a3
    - 2.Sc3#

FEATURES

Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
Sets
- P(b);SBLOCK::QAR2(A),XP(c)
Tries
- Try
  - K(D);S_FLIGHT
  - Vars
    - P(b);SBLOCK::QAR2(A),XP(c)
    - P(b);OGATEB::QAR2(A)
  - Refutation
    - P(c);
- Try
  - K(D);S_FLIGHT
  - Vars
    - P(b);SBLOCK::QAR2(A),XP(c)
  - Refutation
    - P(c);
- Try
  - K(D);P-FLIGHT
  - Vars
    - P(b);SBLOCK::QAR2(A),XP(c)
    - P(b);OGATEB::QAR2(A)
  - Refutation
    - P(c);
- Try
  - K(D);S_FLIGHT
  - Vars
    - P(b);SBLOCK::QAR2(A),XP(c)
  - Refutation
    - P(c);
- Try
  - K(D);P-FLIGHT
  - Vars
    - P(b);SBLOCK::QAR2(A),XP(c)
  - Refutation
    - P(c);
- Try
  - K(D);S_FLIGHT
  - Vars
    - P(b);SBLOCK::QAR2(A),XP(c)
  - Refutation
    - P(c);
- Try
  - Q(A);P_PINP(b)
  - Threat
    - QAR1(A),XP(b)
  - Vars
    - K(a);P-FLIGHT::QAB1(A),XP(b)
  - Refutation
    - P(c);
Actual
- B(B);
- Vars
  - P(b);SBLOCK::QAR2(A),XP(c)
  - P(b);OGATEB::QAR2(A)
  - P(c);SBLOCK::S(C)

Developed and maintained by Brian Stephenson.
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