MESON Chess Problem Database
Problem Display
PID: 157878 (2N5/2p5/4pR2/KBkP1n2/1Rp1PB1r/b1P5/1n2N3/8 w - - 0 1)
Lukashev, Viktor Sergeevich
Best Problems, 2009
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Bxb4+
- 2.cxb4#
- 1...Sd1
- 2.Rxc4#
- 1...Sd3
- 2.Rxc4#
- 1...Sa4
- 2.Rxc4#
- 1...Se3
- 2.Bxe3#
- 1...Sg3
- 2.Be3#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.Be3#
- 1...Sh6
- 2.Be3#
- 1...Se7
- 2.Be3#
- 1...Sg7
- 2.Be3#
- 1...exd5
- 2.Rc6#
- 1...e5
- 2.Rc6#
- 1...Bxb4+
- Tries
- 1.Sd6?
- threat
- 2.Sb7#
- 1...Bxb4+
- 2.cxb4#
- 1...Sxd6
- 2.Be3#
- 1...cxd6!
- threat
- 1.Be3+?
- 1...Sd4
- 2.Bxd4#
- 2.cxd4#
- 1...Sxe3!
- 1...Sd4
- 1.Bxc7?
- threat
- 2.Bb6#
- 1...Bxb4+
- 2.cxb4#
- 1...Sa4
- 2.Rxc4#
- 1...Rxe4!
- threat
- 1.Ba4?
- threat
- 2.Rb5#
- 1...Bxb4+
- 2.cxb4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.Be3#
- 1...c6!
- threat
- 1.Ba6?
- threat
- 2.Rb5#
- 1...Bxb4+
- 2.cxb4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.Be3#
- 1...c6!
- threat
- 1.Bd7?
- threat
- 2.Rb5#
- 1...Bxb4+
- 2.cxb4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.Be3#
- 1...c6!
- threat
- 1.Be8?
- threat
- 2.Rb5#
- 1...Bxb4+
- 2.cxb4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.Be3#
- 1...c6!
- threat
- 1.Rxf5?
- threat
- 2.Be3#
- 2.dxe6#
- 1...Bxb4+
- 2.cxb4#
- 1...exd5
- 2.Be3#
- 2.Rxd5#
- 1...exf5
- 2.Be3#
- 1...Rh3
- 2.dxe6#
- 1...Rh5
- 2.Be3#
- 1...Sd1
- 2.Rxc4#
- 2.dxe6#
- 1...Sd3
- 2.Be3#
- 2.Rxc4#
- 1...e5
- 2.Be3#
- 1...Rxf4!
- threat
- 1.Rxe6?
- threat
- 2.Rc6#
- 1...Bxb4+
- 2.cxb4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.Be3#
- 1...Se7
- 2.Be3#
- 1...c6
- 2.Rxc6#
- 1...Rh6!
- threat
- 1.Sd6?
- Keys
- 1.Bc6!
- threat
- 2.Rb5#
- 1...Bxb4+
- 2.cxb4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.Be3#
- threat
- 1.Bc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- B(b);CHECK,OGATE,XR(C)::P(B),XB(b)
- S(a);N_GUARD::R1(C),XP(c)
- S(f);N_GUARD::B(E),XS(f)
- S(f);N_GUARD::B(E)
- S(f);OGATE::P(B),XS(f)
- P(g);OGATE,XP(H)::R1(I)
- P(g);OGATE::R1(I)
- Tries
- Try
- S(J);
- Threat
- S(J)
- Vars
- B(b);CHECK,OGATE,XR(C)::P(B),XB(b)
- S(f);N_GUARD,SBLOCK,XS(J)::B(E)
- Refutation
- P(h);XS(J)
- Try
- B(E);CHECK
- Refutation
- S(f);XB(E)
- Try
- B(E);XP(h)
- Threat
- B(E)
- Vars
- B(b);CHECK,OGATE,XR(C)::P(B),XB(b)
- S(a);N_GUARD::R1(C),XP(c)
- Refutation
- R(d);XP(D)
- Try
- B(G);
- Threat
- R1(C)
- Vars
- B(b);CHECK,OGATE,XR(C)::P(B),XB(b)
- S(f);OGATE::P(B),XS(f)
- S(f);N_GUARD::B(E)
- Refutation
- P(h);
- Try
- B(G);
- Threat
- R1(C)
- Vars
- B(b);CHECK,OGATE,XR(C)::P(B),XB(b)
- S(f);OGATE::P(B),XS(f)
- S(f);N_GUARD::B(E)
- Refutation
- P(h);
- Try
- B(G);
- Threat
- R1(C)
- Vars
- B(b);CHECK,OGATE,XR(C)::P(B),XB(b)
- S(f);OGATE::P(B),XS(f)
- S(f);N_GUARD::B(E)
- Refutation
- P(h);
- Try
- B(G);
- Threat
- R1(C)
- Vars
- B(b);CHECK,OGATE,XR(C)::P(B),XB(b)
- S(f);OGATE::P(B),XS(f)
- S(f);N_GUARD::B(E)
- Refutation
- P(h);
- Try
- R(I);XS(f)
- Threat
- DUALS(2)
- Vars
- B(b);CHECK,OGATE,XR(C)::P(B),XB(b)
- P(g);XR(I)::B(E)
- R(d);::R(I)+P(H),XP(g)
- R(d);::B(E)
- P(g);::B(E)
- Refutation
- R(d);XB(E)
- Try
- R(I);XP(g)
- Threat
- R1(I)
- Vars
- B(b);CHECK,OGATE,XR(C)::P(B),XB(b)
- S(f);OGATE::P(B),XS(f)
- S(f);N_GUARD::B(E)
- P(h);::R1(I),XP(h)
- Refutation
- R(d);
- Try
- Actual
- B(G);
- Threat
- R1(C)
- Vars
- B(b);CHECK,OGATE,XR(C)::P(B),XB(b)
- S(f);OGATE::P(B),XS(f)
- S(f);N_GUARD::B(E)
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