MESON Chess Problem Database
Problem Display
PID: 277954 (2br1q2/4N1pn/1PQ2b2/2B5/r2PP3/1p2k3/3N1R2/5BK1 w - - 0 1)
Melnikov, Vladimir N
diagrammes, 1981
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sc4#
- 1...Ra2
- 2.Sc4#
- 1...Ra3
- 2.Sc4#
- 1...Rc4
- 2.Sxc4#
- 1...Raxd4
- 2.Sc4#
- 1...Ra5
- 2.Sc4#
- 1...Ra6
- 2.Sc4#
- 1...Ra7
- 2.Sc4#
- 1...Ra8
- 2.Sc4#
- 1...Rdxd4
- 2.Sd5#
- 1...Rd5
- 2.Sxd5#
- 1...Rd7
- 2.Sf5#
- 1...Re8
- 2.Sd5#
- 1...Bf5
- 2.Sxf5#
- 1...Ba6
- 2.Sf5#
- 1...Bb7
- 2.Sf5#
- 1...Bd7
- 2.Sd5#
- 1...Ra1
- Tries
- 1.Bd6?
- threat
- 2.Qc3#
- 1...Kxd4
- 2.Qc5#
- 1...Rxd4
- 2.Bf4#
- 1...Bxd4
- 2.Sd5#
- 1...Ba6
- 2.Sf5#
- 1...Rc4!
- threat
- 1.Qb5?
- threat
- 2.Qe2#
- 2.Qd3#
- 2.Qxb3#
- 1...Qf7
- 2.Qe2#
- 2.Qd3#
- 1...Qg8
- 2.Qe2#
- 2.Qd3#
- 1...Ra3
- 2.Qe2#
- 2.Qd3#
- 1...Rb4
- 2.Qe2#
- 2.Qd3#
- 1...Bg4
- 2.Qd3#
- 2.Qxb3#
- 1...Ba6
- 2.Sf5#
- 1...Be6
- 2.Qe2#
- 2.Qd3#
- 1...b2
- 2.Qe2#
- 2.Qd3#
- 2.Qb3#
- 1...Rc4!
- threat
- 1.Qe6?
- threat
- 2.Sf5#
- 2.Qxb3#
- 1...Qxe7
- 2.Qxb3#
- 1...Bxd4
- 2.Qxb3#
- 1...Bxe7
- 2.Qxb3#
- 1...Rc4
- 2.Sxc4#
- 2.Sf5#
- 1...Qf7
- 2.Sf5#
- 1...Qg8
- 2.Sf5#
- 1...Ra3
- 2.Sc4#
- 2.Sf5#
- 1...Rb4
- 2.Sf5#
- 1...Rd5
- 2.Sxd5#
- 1...Bh4
- 2.Qxb3#
- 1...Be5
- 2.Qxb3#
- 1...Bg5
- 2.Qxb3#
- 1...Ba6
- 2.Sf5#
- 2.Qh3#
- 1...b2
- 2.Sf5#
- 2.Qb3#
- 1...g6
- 2.Qxb3#
- 1...Bxe6!
- threat
- 1.e5?
- threat
- 2.Qf3#
- 2.Qe4#
- 1...Bxe5
- 2.Qe4#
- 1...Bxe7
- 2.Qe4#
- 1...Rd5
- 2.Sxd5#
- 1...Bh4
- 2.Qe4#
- 1...Bg5
- 2.Qe4#
- 1...Bg4
- 2.Qe4#
- 1...Bf5
- 2.Sxf5#
- 2.Qf3#
- 1...Bb7
- 2.Sf5#
- 1...Sg5!
- threat
- 1.Bd6?
- Keys
- 1.Bb4!
- threat
- 2.Qc3#
- 1...Kxd4
- 2.Qc3#
- 2.Qc5#
- 1...Rxd4
- 2.Rf3#
- 1...Bxd4
- 2.Sc4#
- 1...Ba6
- 2.Sf5#
- threat
- 1.Bb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 15
- Sets
- R(c);N_GUARD,P_PINB(A)::S(C)
- R(c);N_GUARD::S(C)
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD,P_SPINR(c),XP(E)::S(C)
- R(h);N_GUARD,P_SPINR(h),XP(E)::S(J)
- R(h);N_GUARD::S(J),XR(h)
- R(h);S_CUTB(g)::S(J)
- R(h);N_GUARD::S(J)
- B(g);N_GUARD::S(J),XB(g)
- B(g);N_GUARD::S(J)
- B(g);S_CUTR(h)::S(J)
- Tries
- Try
- B(G);
- Threat
- QAR2(I)
- Vars
- K(b);OGATEB,S_FLIGHT,XP(E)::QAB1(I)
- R(c);SBLOCK,XP(E)::B(G)
- B(d);SBLOCK,XP(E)::S(J)
- B(g);N_GUARD::S(J)
- Refutation
- R(c);
- Try
- Q(I);
- Threat
- DUALS(3)
- Vars
- B(g);N_GUARD::S(J)
- Refutation
- R(c);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- Q(i);XS(J)::QAR(I),XP(a)
- B(d);P_SPINB(d),XP(E)::QAR(I),XP(a)
- B(d);XS(J)::QAR(I),XP(a)
- Q(i);::S(J)
- R(c);::S(J)
- R(h);N_GUARD::S(J),XR(h)
- B(d);::QAR(I),XP(a)
- P(e);::QAR(I),XP(a)
- Refutation
- B(g);XQ(I)
- Try
- P(F);
- Threat
- DUALS(2)
- Vars
- B(d);XP(F)::QAR1(I)
- B(d);XS(J)::QAR1(I)
- R(h);N_GUARD::S(J),XR(h)
- B(d);::QAR1(I)
- B(g);::QAR1(I)
- B(g);N_GUARD::S(J)
- Refutation
- S(f);
- Try
- Actual
- B(G);
- Threat
- QAR2(I)
- Vars
- R(h);SBLOCK,XP(E)::R1(D)
- B(d);SBLOCK,XP(E)::S(C)
- B(g);N_GUARD::S(J)
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