MESON Chess Problem Database
Problem Display
PID: 251327 (8/1K2R1Pq/2R5/N1p5/1bBkb2B/1Q2p3/5r2/8 w - - 0 1)
Vakhlakov, Yuri Nikolaevich
Zadachi i Etyudi, 2004
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Bf6#
- 1...Rb2
- 2.Bf6#
- 1...Rc2
- 2.Bf6#
- 1...Rd2
- 2.Bf6#
- 1...Re2
- 2.Bf6#
- 1...Rg2
- 2.Bf6#
- 1...Rh2
- 2.Bf6#
- 1...Rf6
- 2.Bxf6#
- 1...Bb1
- 2.Rd6#
- 2.Qxe3#
- 1...Bh1
- 2.Qxe3#
- 1...Bc2
- 2.Rd6#
- 2.Qxe3#
- 1...Bg2
- 2.Qxe3#
- 1...Bd3
- 2.Rd6#
- 1...Bf3
- 2.Bf6#
- 2.Qxe3#
- 1...Bd5
- 2.Qxe3#
- 1...Bf5
- 2.Bf6#
- 2.Rd6#
- 2.Qxe3#
- 1...Bxc6+
- 2.Sxc6#
- 1...Bg6
- 2.Rd6#
- 2.Qxe3#
- 1...e2
- 2.Bxf2#
- 1...Ra2
- Tries
- 1.Bf1?
- threat
- 2.Qc4#
- 1...Bxc6+
- 2.Sxc6#
- 1...c4
- 2.Qxc4#
- 1...Rc2
- 2.Bf6#
- 1...Bd3
- 2.Rd6#
- 1...Bd5
- 2.Qxe3#
- 1...e2
- 2.Bxf2#
- 1...Qg8!
- threat
- 1.Be2?
- threat
- 2.Qc4#
- 1...Bxc6+
- 2.Sxc6#
- 1...c4
- 2.Qxc4#
- 1...Bd3
- 2.Rd6#
- 1...Bd5
- 2.Qxe3#
- 1...Qg8!
- threat
- 1.Bd3?
- threat
- 2.Qc4#
- 1...Bxc6+
- 2.Sxc6#
- 1...Bxd3
- 2.Rd6#
- 1...e2
- 2.Bxf2#
- 1...c4
- 2.Qxc4#
- 1...Qg8
- 2.Rxe4#
- 1...Rc2
- 2.Bf6#
- 1...Bd5!
- threat
- 1.Bb5?
- threat
- 2.Qc4#
- 1...Bxc6+
- 2.Sxc6#
- 1...c4
- 2.Qxc4#
- 1...Rc2
- 2.Bf6#
- 1...Bd3
- 2.Rd6#
- 1...Bd5
- 2.Qxe3#
- 1...e2
- 2.Bxf2#
- 1...Qg8!
- threat
- 1.Bd5?
- threat
- 2.Qc4#
- 1...Bxd5
- 2.Qxe3#
- 1...c4
- 2.Qxc4#
- 1...Rc2
- 2.Bf6#
- 1...e2
- 2.Bxf2#
- 1...Bd3!
- threat
- 1.Ba6?
- threat
- 2.Qc4#
- 1...Bxc6+
- 2.Sxc6#
- 1...c4
- 2.Qxc4#
- 1...Rc2
- 2.Bf6#
- 1...Bd3
- 2.Rd6#
- 1...Bd5
- 2.Qxe3#
- 1...e2
- 2.Bxf2#
- 1...Qg8!
- threat
- 1.Bg8?
- threat
- 2.Qc4#
- 1...Bxc6+
- 2.Sxc6#
- 1...Rc2
- 2.Bf6#
- 1...Bd3
- 2.Rd6#
- 1...Bd5
- 2.Qxe3#
- 1...e2
- 2.Bxf2#
- 1...c4
- 2.Qxc4#
- 1...Qxg8!
- threat
- 1.Qb2+?
- 1...Rxb2
- 2.Bf6#
- 1...Bc3!
- 1...Rxb2
- 1.Qxb4?
- threat
- 2.Sb3#
- 1...Bxc6+
- 2.Sxc6#
- 1...e2
- 2.Bxf2#
- 1...Rb2
- 2.Bf6#
- 2.Qxb2#
- 1...Bc2
- 2.Rd6#
- 2.Qb2#
- 1...cxb4!
- threat
- 1.Bf1?
- Keys
- 1.Bf7!
- threat
- 2.Qc4#
- 1...Bxc6+
- 2.Sxc6#
- 1...Rc2
- 2.Bf6#
- 1...Bd3
- 2.Rd6#
- 1...Bd5
- 2.Qxe3#
- 1...e2
- 2.Bxf2#
- 1...c4
- 2.Qxc4#
- threat
- 1.Bf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(a);N_GUARD::B(C)
- R(a);N_GUARD::B(C),XR(a)
- B(e);::QAB1(A),XP(b)
- B(e);N_PINR(E)::R(E)
- B(e);CHECK,XR(E)::S(D),XB(e)
- P(b);OGATEB::B(C),XR(a)
- Tries
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- B(e);CHECK,XR(E)::S(D),XB(e)
- P(f);::QAR1(A),XP(f)
- R(a);N_GUARD::B(C)
- B(e);N_PINR(E)::R(E)
- B(e);SBLOCK::QAB1(A),XP(b)
- P(b);OGATEB::B(C),XR(a)
- Refutation
- Q(g);
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- B(e);CHECK,XR(E)::S(D),XB(e)
- P(f);::QAR1(A),XP(f)
- B(e);N_PINR(E)::R(E)
- B(e);SBLOCK::QAB1(A),XP(b)
- Refutation
- Q(g);
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- B(e);CHECK,XR(E)::S(D),XB(e)
- B(e);N_PINR(E),XB(B)::R(E)
- P(b);OGATEB::B(C),XR(a)
- P(f);::QAR1(A),XP(f)
- Q(g);N_GUARD::R1(G),XB(e)
- R(a);N_GUARD::B(C)
- Refutation
- B(e);
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- B(e);CHECK,XR(E)::S(D),XB(e)
- P(f);::QAR1(A),XP(f)
- R(a);N_GUARD::B(C)
- B(e);N_PINR(E)::R(E)
- B(e);SBLOCK::QAB1(A),XP(b)
- P(b);OGATEB::B(C),XR(a)
- Refutation
- Q(g);
- Try
- B(B);N_SPINR(E)
- Threat
- QAR1(A)
- Vars
- B(e);P_PINR(E),SBLOCK,XB(B)::QAB1(A),XP(b)
- P(f);::QAR1(A),XP(f)
- R(a);N_GUARD::B(C)
- P(b);OGATEB::B(C),XR(a)
- Refutation
- B(e);
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- B(e);CHECK,XR(E)::S(D),XB(e)
- P(f);::QAR1(A),XP(f)
- R(a);N_GUARD::B(C)
- B(e);N_PINR(E)::R(E)
- B(e);SBLOCK::QAB1(A),XP(b)
- P(b);OGATEB::B(C),XR(a)
- Refutation
- Q(g);
- Try
- B(B);
- Threat
- QAR1(A)
- Vars
- B(e);CHECK,XR(E)::S(D),XB(e)
- R(a);N_GUARD::B(C)
- B(e);N_PINR(E)::R(E)
- B(e);::QAB1(A),XP(b)
- P(b);OGATEB::B(C),XR(a)
- P(f);::QAR1(A),XP(f)
- Refutation
- Q(g);XB(B)
- Try
- Q(A);CHECK
- Vars
- R(a);XQ(A)::B(C)
- Refutation
- B(c);P_SPINB(c)
- Try
- Q(A);XB(c)
- Threat
- S(D)
- Vars
- B(e);CHECK,XR(E)::S(D),XB(e)
- P(b);OGATEB::B(C),XR(a)
- Refutation
- P(f);XQ(A)
- Try
- Actual
- B(B);
- Threat
- QAR1(A)
- Vars
- B(e);CHECK,XR(E)::S(D),XB(e)
- R(a);N_GUARD::B(C)
- B(e);N_PINR(E)::R(E)
- B(e);::QAB1(A),XP(b)
- P(b);OGATEB::B(C),XR(a)
- P(f);::QAR1(A),XP(f)
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