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Problem Display

PID: 162245 (k1r5/B1P2B2/K3N3/8/8/8/8/8 w - - 0 1)

Lincoln, Robert A

The Problemist, 2016

k1r5/B1P2B2/K3N3/8/8/8/8/8

#2

5 + 2

SOLUTION

SOUND
Sets
- 1...Rxc7
  - 2.Sxc7#
- 1...Rb8
  - 2.cxb8Q#
  - 2.cxb8R#
- 1...Rd8
  - 2.cxd8Q#
  - 2.cxd8R#
Tries
- 1.Sd4?
  - threat
    - 2.Bd5#
  - 1...Rb8
    - 2.cxb8Q#
    - 2.cxb8R#
  - 1...Rd8
    - 2.cxd8Q#
    - 2.cxd8R#
  - 1...Rxc7!
- 1.Sf4?
  - threat
    - 2.Bd5#
  - 1...Rb8
    - 2.cxb8Q#
    - 2.cxb8R#
  - 1...Rd8
    - 2.cxd8Q#
    - 2.cxd8R#
  - 1...Rxc7!
- 1.Sc5?
  - threat
    - 2.Bd5#
  - 1...Rb8
    - 2.cxb8Q#
    - 2.cxb8R#
  - 1...Rd8
    - 2.cxd8Q#
    - 2.cxd8R#
  - 1...Rxc7!
- 1.Sg5?
  - threat
    - 2.Bd5#
  - 1...Rb8
    - 2.cxb8Q#
    - 2.cxb8R#
  - 1...Rd8
    - 2.cxd8Q#
    - 2.cxd8R#
  - 1...Rxc7!
- 1.Sg7?
  - threat
    - 2.Bd5#
  - 1...Rb8
    - 2.cxb8Q#
    - 2.cxb8R#
  - 1...Rd8
    - 2.cxd8Q#
    - 2.cxd8R#
  - 1...Rxc7!
- 1.Sd8?
  - threat
    - 2.Bd5#
  - 1...Rxd8
    - 2.cxd8Q#
    - 2.cxd8R#
  - 1...Rb8
    - 2.cxb8Q#
    - 2.cxb8R#
  - 1...Rxc7!
- 1.Sf8?
  - threat
    - 2.Bd5#
  - 1...Rb8
    - 2.cxb8Q#
    - 2.cxb8R#
  - 1...Rd8
    - 2.cxd8Q#
    - 2.cxd8R#
  - 1...Rxc7!
- 1.Bh5?
  - threat
    - 2.Bf3#
  - 1...Rxc7
    - 2.Sxc7#
  - 1...Rb8
    - 2.cxb8Q#
    - 2.cxb8R#
  - 1...Rd8
    - 2.cxd8Q#
    - 2.cxd8R#
  - 1...Rf8!
- 1.Be8?
  - threat
    - 2.Bc6#
  - 1...Rxc7
    - 2.Sxc7#
  - 1...Rb8
    - 2.cxb8Q#
    - 2.cxb8R#
  - 1...Rxe8!
Keys
- 1.Bg6!
  - threat
    - 2.Be4#
  - 1...Rxc7
    - 2.Sxc7#
  - 1...Rb8
    - 2.cxb8Q#
    - 2.cxb8R#
  - 1...Rd8
    - 2.cxd8Q#
    - 2.cxd8R#

FEATURES

Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
Sets
- R(b);XP(D)::S(B),XR(b)
- R(b);OGATE::PXR(b)=Q
Tries
- Try
  - S(B);
  - Threat
    - B(E)
  - Vars
    - R(b);OGATE::PXR(b)=Q
  - Refutation
    - R(b);XP(D)
- Try
  - S(B);
  - Threat
    - B(E)
  - Vars
    - R(b);OGATE::PXR(b)=Q
  - Refutation
    - R(b);XP(D)
- Try
  - S(B);
  - Threat
    - B(E)
  - Vars
    - R(b);OGATE::PXR(b)=Q
  - Refutation
    - R(b);XP(D)
- Try
  - S(B);
  - Threat
    - B(E)
  - Vars
    - R(b);OGATE::PXR(b)=Q
  - Refutation
    - R(b);XP(D)
- Try
  - S(B);
  - Threat
    - B(E)
  - Vars
    - R(b);OGATE::PXR(b)=Q
  - Refutation
    - R(b);XP(D)
- Try
  - S(B);
  - Threat
    - B(E)
  - Vars
    - R(b);OGATE,XS(B)::PXR(b)=Q
    - R(b);OGATE::PXR(b)=Q
  - Refutation
    - R(b);XP(D)
- Try
  - S(B);
  - Threat
    - B(E)
  - Vars
    - R(b);OGATE::PXR(b)=Q
  - Refutation
    - R(b);XP(D)
- Try
  - B(E);
  - Threat
    - B(E)
  - Vars
    - R(b);XP(D)::S(B),XR(b)
    - R(b);OGATE::PXR(b)=Q
  - Refutation
    - R(b);
- Try
  - B(E);
  - Threat
    - B(E)
  - Vars
    - R(b);XP(D)::S(B),XR(b)
    - R(b);OGATE::PXR(b)=Q
  - Refutation
    - R(b);XB(E)
Actual
- B(E);
- Threat
  - B(E)
- Vars
  - R(b);XP(D)::S(B),XR(b)
  - R(b);OGATE::PXR(b)=Q

Developed and maintained by Brian Stephenson.
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