MESON Chess Problem Database
Problem Display
PID: 263698 (8/1p6/8/qR2Np1Q/2Ppk1p1/1N1p2P1/4nP1K/3B4 w - - 0 1)
Sarkits, Anatoly L
Zalokotsky, Roman Fedorovich (aka Fedorovich, Roman)
Zadachi i Etyudi, 2009
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Qd2
- 2.Sxd2#
- 1...Qb6
- 2.Sd2#
- 1...Qc7
- 2.Sd2#
- 1...Qd8
- 2.Sd2#
- 1...Qa1
- 2.Sd2#
- 1...Qa3
- 2.Sd2#
- 1...Qa4
- 2.Sd2#
- 1...Qa6
- 2.Sd2#
- 1...Qa7
- 2.Sd2#
- 1...Qa8
- 2.Sd2#
- 1...Sc3
- 2.Sd2#
- 1...f4
- 2.Sc5#
- 2.Qg6#
- 2.Qh7#
- 1...Qd2
- Tries
- 1.Sf3?
- threat
- 2.Sg5#
- 2.Qxf5#
- 1...Kxf3
- 2.Qxf5#
- 1...Qxb5
- 2.Sbd2#
- 1...gxf3
- 2.Qe8#
- 2.Qxf5#
- 1...d2
- 2.Qxf5#
- 1...Qd2
- 2.Sbxd2#
- 2.Sfxd2#
- 2.Qxf5#
- 1...Qd8
- 2.Sbd2#
- 2.Sfd2#
- 2.Qxf5#
- 1...f4
- 2.Sg5#
- 2.Qd5#
- 1...Sxg3!
- threat
- 1.Sxg4?
- threat
- 2.Sf6#
- 2.Qxf5#
- 1...Kf3
- 2.Qxf5#
- 1...Qxb5
- 2.Sd2#
- 1...fxg4
- 2.Qd5#
- 2.Qf5#
- 1...d2
- 2.Qxf5#
- 1...Qb6
- 2.Sd2#
- 2.Qxf5#
- 1...Qd8
- 2.Sd2#
- 2.Qxf5#
- 1...Qa6
- 2.Sd2#
- 2.Qxf5#
- 1...f4
- 2.Sf6#
- 2.Qd5#
- 1...Sxg3!
- threat
- 1.Sc6?
- threat
- 2.Qxf5#
- 1...Kf3
- 2.Qxf5#
- 1...Qxb5
- 2.Sd2#
- 1...f4
- 2.Qd5#
- 1...Sxg3!
- threat
- 1.Sd7?
- threat
- 2.Qxf5#
- 1...Kf3
- 2.Qxf5#
- 1...Qxb5
- 2.Sd2#
- 1...f4
- 2.Qd5#
- 1...Sxg3!
- threat
- 1.Sf7?
- threat
- 2.Sg5#
- 2.Qxf5#
- 1...Kf3
- 2.Qxf5#
- 1...Qxb5
- 2.Sd2#
- 1...d2
- 2.Qxf5#
- 1...Qd2
- 2.Sxd2#
- 2.Qxf5#
- 1...Qd8
- 2.Sd2#
- 2.Qxf5#
- 1...f4
- 2.Sg5#
- 2.Qd5#
- 1...Sxg3!
- threat
- 1.Qxg4+?
- 1...Sf4
- 2.Bf3#
- 2.Qf3#
- 2.Qxf4#
- 1...f4
- 2.Qg6#
- 1...fxg4!
- 1...Sf4
- 1.Qe8?
- threat
- 2.Sc5#
- 1...Qxb5
- 2.Sd2#
- 1...Sxg3
- 2.Sg6#
- 1...f4
- 2.Qg6#
- 1...Qb6
- 2.Sd2#
- 1...Qc7
- 2.Sd2#
- 1...Qa3
- 2.Sd2#
- 1...Qa7
- 2.Sd2#
- 1...b6
- 2.Qc6#
- 1...Qb4!
- threat
- 1.f3+?
- 1...gxf3
- 2.Qxf3#
- 1...Ke3!
- 1...gxf3
- 1.Sf3?
- Keys
- 1.Sg6!
- threat
- 2.Qxf5#
- 1...Kf3
- 2.Qxf5#
- 1...Qxb5
- 2.Sd2#
- 1...Sxg3
- 2.Sc5#
- 1...f4
- 2.Qd5#
- threat
- 1.Sg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 11
- Sets
- Q(f);N_GUARD::S(D),XQ(f)
- Q(f);N_GUARD::S(D)
- S(a);S_CUTQ(f)::S(D)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- K(d);P_SPINP(e),P_SPINS(a),S_FLIGHT,XS(H)::QAR2(I),XP(g)
- Q(f);N_GUARD,XR(G)::S(D)
- P(b);::QAB1(I),XP(g)
- Refutation
- S(a);XP(E)
- Try
- S(H);XP(e)
- Threat
- DUALS(2)
- Vars
- K(d);P_SPINS(a),S_FLIGHT::QAR2(I),XP(g)
- Q(f);N_GUARD,XR(G)::S(D)
- P(b);::QAB1(I),XP(g)
- Refutation
- S(a);XP(E)
- Try
- S(H);
- Threat
- QAB1(I),XP(g)
- Vars
- K(d);P_SPINP(e),P_SPINS(a),S_FLIGHT::QAR2(I),XP(g)
- Q(f);N_GUARD,XR(G)::S(D)
- P(g);OGATE::QAB1(I)
- Refutation
- S(a);XP(E)
- Try
- S(H);
- Threat
- QAB1(I),XP(g)
- Vars
- K(d);P_SPINP(e),P_SPINS(a),S_FLIGHT::QAR2(I),XP(g)
- Q(f);N_GUARD,XR(G)::S(D)
- P(g);OGATE::QAB1(I)
- Refutation
- S(a);XP(E)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- K(d);P_SPINP(e),P_SPINS(a),S_FLIGHT::QAR2(I),XP(g)
- Q(f);N_GUARD,XR(G)::S(D)
- P(b);::QAB1(I),XP(g)
- Refutation
- S(a);XP(E)
- Try
- Q(I);CHECK,XP(e)
- Vars
- P(g);OGATEB,P_SPINP(g)::QAB(I)
- Refutation
- P(g);XQ(I)
- Try
- Q(I);
- Threat
- S(D)
- Vars
- Q(f);N_GUARD,XR(G)::S(D)
- S(a);XP(E)::QAR(I)+S(H)
- P(g);OGATEB::QAB(I)
- Q(f);N_GUARD::S(D)
- P(h);N_GUARD::QAB(I)
- Refutation
- Q(f);
- Try
- P(B);CHECK
- Vars
- P(e);OGATE,XP(B)::QAB1(I),XP(e)
- Refutation
- K(d);P-FLIGHT
- Try
- Actual
- S(H);
- Threat
- QAB1(I),XP(g)
- Vars
- K(d);P_SPINP(e),P_SPINS(a),S_FLIGHT::QAR2(I),XP(g)
- Q(f);N_GUARD,XR(G)::S(D)
- S(a);XP(E)::S(D)
- P(g);OGATE::QAB1(I)
Developed and maintained by Brian Stephenson.
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