MESON Chess Problem Database
Problem Display
PID: 160574 (8/6R1/8/8/4K3/7N/1R4r1/5N1k w - - 0 1)
Antipov, Viacheslav Pavlovich
Sa ogneupory, 1987
#2
5 + 2
| 15148 | Sadier Collection | 2017 |
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Sf2#
- 2.Rh2#
- 2.Rxg1#
- 1...Rxb2
- 2.Rg1#
- 1...Rc2
- 2.Rg1#
- 1...Rd2
- 2.Rg1#
- 1...Rf2
- 2.Sxf2#
- 2.Rg1#
- 1...Rh2
- 2.Sg3#
- 2.Rxh2#
- 2.Rg1#
- 1...Rg3
- 2.Sxg3#
- 2.Rh2#
- 1...Rg5
- 2.Rh2#
- 1...Rg6
- 2.Rh2#
- 1...Rxg7
- 2.Rh2#
- 1...Rg1
- Tries
- 1.Kd3?
- 1...Rg3+
- 2.Sxg3#
- 1...Rxb2
- 2.Rg1#
- 1...Rxg7
- 2.Rh2#
- 1...Rg1
- 2.Sf2#
- 2.Rh2#
- 2.Rxg1#
- 1...Rc2
- 2.Rg1#
- 1...Re2
- 2.Rg1#
- 1...Rf2
- 2.Sxf2#
- 2.Rg1#
- 1...Rh2
- 2.Sg3#
- 2.Rxh2#
- 2.Rg1#
- 1...Rg4
- 2.Rh2#
- 1...Rg5
- 2.Rh2#
- 1...Rg6
- 2.Rh2#
- 1...Rd2+!
- 1...Rg3+
- 1.Ke3?
- 1...Rg3+
- 2.Sxg3#
- 1...Rxb2
- 2.Rg1#
- 1...Rxg7
- 2.Rh2#
- 1...Rg1
- 2.Sf2#
- 2.Rh2#
- 2.Rxg1#
- 1...Rc2
- 2.Rg1#
- 1...Rd2
- 2.Rg1#
- 1...Rf2
- 2.Sxf2#
- 2.Rg1#
- 1...Rh2
- 2.Sg3#
- 2.Rxh2#
- 2.Rg1#
- 1...Rg4
- 2.Rh2#
- 1...Rg5
- 2.Rh2#
- 1...Rg6
- 2.Rh2#
- 1...Re2+!
- 1...Rg3+
- 1.Kf4?
- 1...Rf2+
- 2.Sxf2#
- 1...Rxb2
- 2.Rg1#
- 1...Rxg7
- 2.Rh2#
- 1...Rg1
- 2.Sf2#
- 2.Rh2#
- 2.Rxg1#
- 1...Rc2
- 2.Rg1#
- 1...Rd2
- 2.Rg1#
- 1...Re2
- 2.Rg1#
- 1...Rh2
- 2.Sg3#
- 2.Rxh2#
- 2.Rg1#
- 1...Rg3
- 2.Sxg3#
- 2.Rh2#
- 1...Rg5
- 2.Rh2#
- 1...Rg6
- 2.Rh2#
- 1...Rg4+!
- 1...Rf2+
- 1.Kf5?
- 1...Rf2+
- 2.Sxf2#
- 1...Rxb2
- 2.Rg1#
- 1...Rxg7
- 2.Rh2#
- 1...Rg1
- 2.Sf2#
- 2.Rh2#
- 2.Rxg1#
- 1...Rc2
- 2.Rg1#
- 1...Rd2
- 2.Rg1#
- 1...Re2
- 2.Rg1#
- 1...Rh2
- 2.Sg3#
- 2.Rxh2#
- 2.Rg1#
- 1...Rg3
- 2.Sxg3#
- 2.Rh2#
- 1...Rg4
- 2.Rh2#
- 1...Rg6
- 2.Rh2#
- 1...Rg5+!
- 1...Rf2+
- 1.Rf2?
- 1...Rxf2
- 2.Sxf2#
- 2.Rg1#
- 1...Rxg7
- 2.Rh2#
- 1...Rg1
- 2.Rh2#
- 2.Rxg1#
- 1...Rh2
- 2.Sg3#
- 2.Rxh2#
- 2.Rg1#
- 1...Rg3
- 2.Sxg3#
- 2.Rh2#
- 1...Rg5
- 2.Rh2#
- 1...Rg6
- 2.Rh2#
- 1...Rg4+!
- 1...Rxf2
- 1.Rg3?
- 1...Rxb2
- 2.Rg1#
- 1...Rxg3
- 2.Sxg3#
- 2.Rh2#
- 1...Rg1
- 2.Sf2#
- 2.Rh2#
- 2.Rxg1#
- 1...Rc2
- 2.Rg1#
- 1...Rd2
- 2.Rg1#
- 1...Rf2
- 2.Sxf2#
- 2.Rg1#
- 1...Rh2
- 2.Rxh2#
- 2.Rg1#
- 1...Re2+!
- 1...Rxb2
- 1.Kd3?
- Keys
- 1.Kf3!
- 1...Rf2+
- 2.Sxf2#
- 1...Rg3+
- 2.Sxg3#
- 1...Rxb2
- 2.Rg1#
- 1...Rxg7
- 2.Rh2#
- 1...Rg1
- 2.Sf2#
- 2.Rh2#
- 2.Rxg1#
- 1...Rc2
- 2.Rg1#
- 1...Rd2
- 2.Rg1#
- 1...Re2
- 2.Rg1#
- 1...Rh2
- 2.Sg3#
- 2.Rxh2#
- 2.Rg1#
- 1...Rg4
- 2.Rh2#
- 1...Rg5
- 2.Rh2#
- 1...Rg6
- 2.Rh2#
- 1...Rf2+
- 1.Kf3!
This anticipates 164659(1998)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(b);OGATE,XR(B)::R1(E)
- R(b);OGATE::R1(E)
- R(b);OGATE::R1(B)
- R(b);OGATE,XR(E)::R1(B)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- R(b);CHECK,N_GUARD::S(A),XR(b)
- R(b);OGATE,XR(B)::R1(E)
- R(b);OGATE,XR(E)::R1(B)
- R(b);OGATE::R1(E)
- R(b);OGATE::R1(B)
- Refutation
- R(b);CHECK
- Try
- K(D);P-FLIGHT
- Vars
- R(b);CHECK,N_GUARD::S(A),XR(b)
- R(b);OGATE,XR(B)::R1(E)
- R(b);OGATE,XR(E)::R1(B)
- R(b);OGATE::R1(E)
- R(b);OGATE::R1(B)
- Refutation
- R(b);CHECK
- Try
- K(D);P-FLIGHT
- Vars
- R(b);CHECK,N_GUARD::S(C),XR(b)
- R(b);OGATE,XR(B)::R1(E)
- R(b);OGATE,XR(E)::R1(B)
- R(b);OGATE::R1(E)
- R(b);OGATE::R1(B)
- Refutation
- R(b);CHECK
- Try
- K(D);S_FLIGHT
- Vars
- R(b);CHECK,N_GUARD::S(C),XR(b)
- R(b);OGATE,XR(B)::R1(E)
- R(b);OGATE,XR(E)::R1(B)
- R(b);OGATE::R1(E)
- R(b);OGATE::R1(B)
- Refutation
- R(b);CHECK
- Try
- R(B);
- Vars
- R(b);OGATE,XR(E)::R1(B)
- R(b);OGATE::R1(B)
- Refutation
- R(b);CHECK
- Try
- R(E);
- Vars
- R(b);OGATE,XR(B)::R1(E)
- R(b);OGATE::R1(E)
- Refutation
- R(b);CHECK
- Try
- Actual
- K(D);S_FLIGHT
- Vars
- R(b);CHECK,N_GUARD::S(C),XR(b)
- R(b);CHECK,N_GUARD::S(A),XR(b)
- R(b);OGATE,XR(B)::R1(E)
- R(b);OGATE,XR(E)::R1(B)
- R(b);OGATE::R1(E)
- R(b);OGATE::R1(B)
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