MESON Chess Problem Database
Problem Display
PID: 252661 (6B1/3p4/K1p2R2/P1k1B3/2pR3r/pp6/3QNPNb/1n1r3q w - - 0 1)
Alekseev, Yuri Mikhailovich
Zadachi i Etyudi, 2005
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...Rh3
- 2.Rxc4#
- 1...Rxd4
- 2.Bxd4#
- 1...Rf4
- 2.Bd6#
- 1...Rh5
- 2.Rxc4#
- 1...Rh6
- 2.Rxc4#
- 1...Rh7
- 2.Rxc4#
- 1...Rh8
- 2.Rxc4#
- 1...Bg1
- 2.Bd6#
- 1...Bf4
- 2.Rxc4#
- 1...Rh3
- Tries
- 1.Sef4?
- threat
- 2.Bd6#
- 2.Rxc4#
- 1...Rxd2
- 2.Rxc4#
- 1...Rxf4
- 2.Bd6#
- 1...Bxf4
- 2.Rxc4#
- 1...Qf1
- 2.Bd6#
- 1...Rc1
- 2.Bd6#
- 1...c3
- 2.Sd3#
- 2.Bd6#
- 2.Rc4#
- 1...d5
- 2.Se6#
- 2.Bd6#
- 1...d6
- 2.Se6#
- 2.Bxd6#
- 2.Rxc4#
- 1...Sxd2!
- threat
- 1.Sgf4?
- threat
- 2.Bd6#
- 2.Rxc4#
- 1...Rxf4
- 2.Bd6#
- 1...Bxf4
- 2.Rxc4#
- 1...Sxd2
- 2.Bd6#
- 1...Qe4
- 2.Bd6#
- 1...Rc1
- 2.Bd6#
- 1...c3
- 2.Sd3#
- 2.Bd6#
- 2.Rc4#
- 1...d5
- 2.Se6#
- 2.Bd6#
- 1...d6
- 2.Se6#
- 2.Bxd6#
- 2.Rxc4#
- 1...Qd5!
- threat
- 1.Rdf4?
- threat
- 2.Bd4#
- 2.Bd6#
- 1...Rxf4
- 2.Bd6#
- 1...Bxf4
- 2.Bd4#
- 1...Sxd2
- 2.Bd6#
- 1...Sc3
- 2.Bd6#
- 1...c3
- 2.Bd6#
- 1...d6
- 2.Bd4#
- 2.Bxd6#
- 1...Rxd2!
- threat
- 1.Rxh4?
- threat
- 2.Bd4#
- 2.Rxc4#
- 1...Rxd2
- 2.Rxc4#
- 1...Bxe5
- 2.Rxc4#
- 1...Sc3
- 2.Rxc4#
- 1...Rc1
- 2.Bd4#
- 2.Qd6#
- 1...Bf4
- 2.Bd4#
- 1...c3
- 2.Rc4#
- 1...d5
- 2.Bd4#
- 1...Sxd2!
- threat
- 1.Rff4?
- threat
- 2.Bd6#
- 2.Rxc4#
- 1...Rxf4
- 2.Bd6#
- 1...Bxf4
- 2.Rxc4#
- 1...Sxd2
- 2.Bd6#
- 1...Rc1
- 2.Bd6#
- 1...Rh6
- 2.Rxc4#
- 1...c3
- 2.Bd6#
- 2.Rc4#
- 1...d6
- 2.Bxd6#
- 2.Rxc4#
- 1...d5!
- threat
- 1.Qf4?
- threat
- 2.Bd6#
- 2.Rxc4#
- 1...Kb4
- 2.Rxc4#
- 1...Rxf4
- 2.Bd6#
- 1...Bxf4
- 2.Rxc4#
- 1...Rc1
- 2.Bd6#
- 1...Sd2
- 2.Bd6#
- 1...c3
- 2.Bd6#
- 2.Rc4#
- 1...d5
- 2.Bd6#
- 1...d6
- 2.Bxd6#
- 2.Rxc4#
- 1...Rxd4!
- threat
- 1.Sef4?
- Keys
- 1.f4!
- threat
- 2.Bd6#
- 2.Rxc4#
- 1...Rxf4
- 2.Bd6#
- 1...Bxf4
- 2.Rxc4#
- 1...Sxd2
- 2.Bd6#
- 1...Rc1
- 2.Bd6#
- 1...c3
- 2.Bd6#
- 2.Rc4#
- 1...d5
- 2.Bd6#
- 1...d6
- 2.Bxd6#
- 2.Rxc4#
- threat
- 1.f4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- R(h);N_GUARD::R1(E),XP(g)
- R(h);OGATE,XR(E)::B(G),XR(h)
- R(h);S_CUTB(d)::B(G)
- B(d);N_GUARD::B(G)
- B(d);S_CUTR(h)::R1(E),XP(g)
- Tries
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- R(b);XQ(A)::R1(E),XP(g)
- R(h);XS(B)::B(G)
- B(d);XS(B)::R1(E),XP(g)
- Q(c);::B(G)
- R(b);::B(G)
- Refutation
- S(a);XQ(A)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(h);XS(D)::B(G)
- B(d);XS(D)::R1(E),XP(g)
- S(a);XQ(A)::B(G)
- Q(c);::B(G)
- R(b);::B(G)
- Refutation
- Q(c);
- Try
- R(E);
- Threat
- DUALS(2)
- Vars
- R(h);XR(E)::B(G)
- B(d);XR(E)::B(G)
- S(a);XQ(A)::B(G)
- S(a);::B(G)
- P(g);::B(G)
- Refutation
- R(b);XQ(A)
- Try
- R(E);XR(h)
- Threat
- DUALS(2)
- Vars
- R(b);XQ(A)::R1(E),XP(g)
- B(d);XB(G)::R1(E),XP(g)
- S(a);::R1(E),XP(g)
- B(d);::B(G)
- P(g);::R1(E)
- P(k);::B(G)
- Refutation
- S(a);XQ(A)
- Try
- R(I);
- Threat
- DUALS(2)
- Vars
- R(h);XR(I)::B(G)
- B(d);XR(I)::R1(E),XP(g)
- S(a);XQ(A)::B(G)
- R(b);::B(G)
- R(h);::R1(E),XP(g)
- Refutation
- P(k);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- K(i);P_SPINP(g),S_FLIGHT::R1(E),XP(g)
- R(h);XQ(A)::B(G)
- B(d);XQ(A)::R1(E),XP(g)
- R(b);::B(G)
- S(a);::B(G)
- P(k);::B(G)
- Refutation
- R(b);XR(E)
- Try
- Actual
- P(C);
- Threat
- DUALS(2)
- Vars
- R(h);XP(C)::B(G)
- B(d);XP(C)::R1(E),XP(g)
- S(a);XQ(A)::B(G)
- R(b);::B(G)
- P(k);::B(G)
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