MESON Chess Problem Database
Problem Display
PID: 130910 (7k/8/R3BKP1/8/8/5b2/8/4R3 w - - 0 1)
Anonymous
Source?, 0000
#2
5 + 2
| 3713 | Snap | 2009 |
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bd1
- 2.Ra8#
- 1...Bh1
- 2.Rxh1#
- 1...Be2
- 2.Ra8#
- 1...Bg4
- 2.Ra8#
- 1...Bh5
- 2.Ra8#
- 1...Ba8
- 2.Rxa8#
- 1...Bd1
- Tries
- 1.Bd5?
- threat
- 2.Re8#
- 2.Ra8#
- 1...Be4
- 2.Ra8#
- 1...Be2
- 2.Ra8#
- 1...Bg4
- 2.Re8#
- 1...Bxd5!
- threat
- 1.Rh1+?
- 1...Bh5
- 2.Rxh5#
- 2.Ra8#
- 1...Bxh1!
- 1...Bh5
- 1.Re2?
- 1...Bxe2
- 2.Ra8#
- 1...Be4
- 2.Rh2#
- 1...Bh1
- 2.Rh2#
- 1...Bg4
- 2.Ra8#
- 1...Bd5
- 2.Rh2#
- 1...Bh5
- 2.Ra8#
- 1...Bc6
- 2.Rh2#
- 1...Bb7
- 2.Rh2#
- 1...Ba8
- 2.Rh2#
- 2.Rxa8#
- 1...Bg2!
- 1...Bxe2
- 1.Re3?
- 1...Be4
- 2.Rh3#
- 1...Bd1
- 2.Ra8#
- 1...Bh1
- 2.Rh3#
- 1...Be2
- 2.Ra8#
- 1...Bg4
- 2.Ra8#
- 1...Bd5
- 2.Rh3#
- 1...Bh5
- 2.Ra8#
- 1...Bc6
- 2.Rh3#
- 1...Bb7
- 2.Rh3#
- 1...Ba8
- 2.Rh3#
- 2.Rxa8#
- 1...Bg2!
- 1...Be4
- 1.Ra2?
- 1...Be4
- 2.Rh2#
- 1...Bd1
- 2.Ra8#
- 1...Bh1
- 2.Rxh1#
- 2.Rh2#
- 1...Be2
- 2.Ra8#
- 1...Bg4
- 2.Ra8#
- 1...Bd5
- 2.Rh2#
- 1...Bh5
- 2.Ra8#
- 1...Bc6
- 2.Rh2#
- 1...Bb7
- 2.Rh2#
- 1...Ba8
- 2.Rh2#
- 2.Rxa8#
- 1...Bg2!
- 1...Be4
- 1.Ra3?
- 1...Be4
- 2.Rh3#
- 1...Bd1
- 2.Ra8#
- 1...Bh1
- 2.Rxh1#
- 2.Rh3#
- 1...Be2
- 2.Ra8#
- 1...Bg4
- 2.Ra8#
- 1...Bd5
- 2.Rh3#
- 1...Bh5
- 2.Ra8#
- 1...Bc6
- 2.Rh3#
- 1...Bb7
- 2.Rh3#
- 1...Ba8
- 2.Rh3#
- 2.Rxa8#
- 1...Bg2!
- 1...Be4
- 1.Ra4?
- 1...Bd1
- 2.Ra8#
- 1...Bh1
- 2.Rxh1#
- 2.Rh4#
- 1...Be2
- 2.Ra8#
- 1...Bg2
- 2.Rh4#
- 1...Bg4
- 2.Ra8#
- 1...Bd5
- 2.Rh4#
- 1...Bh5
- 2.Ra8#
- 1...Bc6
- 2.Rh4#
- 1...Bb7
- 2.Rh4#
- 1...Ba8
- 2.Rh4#
- 2.Rxa8#
- 1...Be4!
- 1...Bd1
- 1.Ra5?
- 1...Be4
- 2.Rh5#
- 1...Bd1
- 2.Ra8#
- 1...Bh1
- 2.Rxh1#
- 2.Rh5#
- 1...Be2
- 2.Ra8#
- 1...Bg2
- 2.Rh5#
- 1...Bg4
- 2.Ra8#
- 1...Bh5
- 2.Rxh5#
- 2.Ra8#
- 1...Bc6
- 2.Rh5#
- 1...Bb7
- 2.Rh5#
- 1...Ba8
- 2.Rh5#
- 2.Rxa8#
- 1...Bd5!
- 1...Be4
- 1.Bd5?
- Keys
- 1.Re5!
- 1...Be4
- 2.Rh5#
- 1...Bd1
- 2.Ra8#
- 1...Bh1
- 2.Rh5#
- 1...Be2
- 2.Ra8#
- 1...Bg2
- 2.Rh5#
- 1...Bg4
- 2.Ra8#
- 1...Bd5
- 2.Rh5#
- 1...Bh5
- 2.Rxh5#
- 2.Ra8#
- 1...Bc6
- 2.Rh5#
- 1...Bb7
- 2.Rh5#
- 1...Ba8
- 2.Rh5#
- 2.Rxa8#
- 1...Be4
- 1.Re5!
This anticipates 12261(1977)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 2
- Sets
- B(a);N_GUARD::R(B)
- B(a);N_GUARD::R(A),XB(a)
- B(a);N_GUARD::R(B),XB(a)
- Tries
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- B(a);::R(B)
- B(a);::R(A)
- Refutation
- B(a);XB(C)
- Try
- R(A);CHECK
- Refutation
- B(a);XR(A)
- Try
- R(A);
- Vars
- B(a);N_GUARD,XR(A)::R(B)
- B(a);N_GUARD::R(A)
- B(a);N_GUARD::R(B)
- Refutation
- B(a);
- Try
- R(A);
- Vars
- B(a);OGATE::R(A)
- B(a);N_GUARD::R(B)
- Refutation
- B(a);
- Try
- R(B);
- Vars
- B(a);N_GUARD::R(B)
- Refutation
- B(a);
- Try
- R(B);
- Vars
- B(a);OGATE::R(B)
- B(a);N_GUARD::R(B)
- Refutation
- B(a);
- Try
- R(B);
- Vars
- B(a);N_GUARD::R(B)
- Refutation
- B(a);
- Try
- R(B);
- Vars
- B(a);N_GUARD::R(B)
- Refutation
- B(a);
- Try
- Actual
- R(A);
- Vars
- B(a);N_GUARD::R(A)
- B(a);N_GUARD::R(B)
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