MESON Chess Problem Database
Problem Display
PID: 136069 (2r4B/3R1pq1/1NpNk1pp/1p2P3/p2P4/5Q2/8/5K2 w - - 0 1)
Ancin, Andrej
3rd HM., Szugyi MT, 1975
#2
8 + 9
| 14649 | Andrej Ancin - Chess Compositions | 2008 |
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qxe5
- 2.Qxf7#
- 1...Qf6
- 2.Qxf6#
- 1...Qf8
- 2.Qf6#
- 1...Qxh8
- 2.Qxf7#
- 1...Qh7
- 2.Qf6#
- 1...Qg8
- 2.Qf6#
- 1...a3
- 2.Qb3#
- 1...c5
- 2.Qd5#
- 1...g5
- 2.Qf5#
- 1...Qxe5
- Tries
- 1.Se4?
- threat
- 2.Sc5#
- 1...Qxe5
- 2.Qxf7#
- 1...Qf8
- 2.Qf6#
- 1...c5!
- threat
- 1.Sb7?
- threat
- 2.Sc5#
- 1...Qxe5
- 2.Qxf7#
- 1...Qf8
- 2.Qf6#
- 1...c5!
- threat
- 1.Sxf7?
- threat
- 2.Qg4#
- 2.Qh3#
- 1...Qxf7
- 2.Qxf7#
- 1...Qf6
- 2.Qxf6#
- 1...g5
- 2.Qg4#
- 1...h5
- 2.Sg5#
- 2.Qh3#
- 1...Qxe5!
- threat
- 1.Sdxc8?
- threat
- 2.Rd6#
- 2.Re7#
- 1...Qxe5
- 2.Re7#
- 2.Qxf7#
- 1...Qf6
- 2.Rd6#
- 2.Qxf6#
- 1...Qf8
- 2.Qf6#
- 1...f5
- 2.Qxc6#
- 1...f6!
- threat
- 1.Se8?
- threat
- 2.Sxg7#
- 1...Qxe5
- 2.Qxf7#
- 1...Qxh8
- 2.Qxf7#
- 1...Qf6
- 2.Qxf6#
- 1...Qf8
- 2.Qf6#
- 1...Qh7
- 2.Qf6#
- 1...Qg8
- 2.Qf6#
- 1...Rxe8!
- threat
- 1.Bxg7?
- threat
- 2.Qf6#
- 2.Qxf7#
- 1...Rf8
- 2.Qf6#
- 1...f6
- 2.Qxf6#
- 1...f5!
- threat
- 1.Rxf7?
- threat
- 2.Qg4#
- 2.Qh3#
- 1...Qxf7
- 2.Qxf7#
- 1...Qf6
- 2.Qxf6#
- 1...g5
- 2.Qg4#
- 2.Qf5#
- 1...h5
- 2.Qh3#
- 1...Qxe5!
- threat
- 1.d5+?
- 1...cxd5
- 2.Qxd5#
- 1...Kxe5!
- 1...cxd5
- 1.Se4?
- Keys
- 1.Qe2!
- threat
- 2.Qa2#
- 1...Qf6+
- 2.exf6#
- 1...Qxe5
- 2.Qxe5#
- 1...b4
- 2.Qc4#
- 1...c5
- 2.d5#
- threat
- 1.Qe2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 1
- REMOVED MATES = 6
- Sets
- Q(h);N_GUARD,XP(D)::QAB1(B),XP(g)
- Q(h);N_GUARD,P_PINQ(B)::QAR1(B),XQ(h)
- Q(h);N_GUARD::QAR1(B)
- Q(h);N_GUARD,XB(H)::QAB1(B),XP(g)
- P(a);N_GUARD::QAB(B)
- P(c);N_GUARD::QAB1(B)
- P(e);N_GUARD::QAB1(B)
- Tries
- Try
- S(F);
- Threat
- S(F)
- Vars
- Q(h);N_GUARD,XP(D)::QAB1(B),XP(g)
- Q(h);N_GUARD::QAR1(B)
- Refutation
- P(c);
- Try
- S(F);
- Threat
- S(F)
- Vars
- Q(h);N_GUARD,XP(D)::QAB1(B),XP(g)
- Q(h);N_GUARD::QAR1(B)
- Refutation
- P(c);
- Try
- S(F);XP(g)
- Threat
- DUALS(2)
- Vars
- Q(h);OGATE,P_PINQ(B),XS(F)::QAB1(B),XQ(h)
- Q(h);N_GUARD,P_PINQ(B)::QAR1(B),XQ(h)
- P(e);::QAB(B)
- Refutation
- Q(h);XP(D)
- Try
- S(F);XR(i)
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD::QAR1(B)
- P(g);SBLOCK::QAR2(B),XP(c)
- Refutation
- P(g);
- Try
- S(F);
- Threat
- S(F),XQ(h)
- Vars
- Q(h);N_GUARD,XP(D)::QAB1(B),XP(g)
- Q(h);N_GUARD,XB(H)::QAB1(B),XP(g)
- Q(h);N_GUARD,P_PINQ(B)::QAR1(B),XQ(h)
- Q(h);N_GUARD::QAR1(B)
- Refutation
- R(i);XS(F)
- Try
- B(H);XQ(h)
- Threat
- DUALS(2)
- Vars
- R(i);::QAR1(B)
- P(g);::QAR1(B),XP(g)
- Refutation
- P(g);
- Try
- R(G);XP(g)
- Threat
- DUALS(2)
- Vars
- Q(h);OGATE,P_PINQ(B),XR(G)::QAB1(B),XQ(h)
- Q(h);N_GUARD,P_PINQ(B)::QAR1(B),XQ(h)
- P(f);::QAB(B)
- Refutation
- Q(h);XP(D)
- Try
- P(C);CHECK
- Vars
- P(c);OGATE,XP(C)::QAB1(B),XP(c)
- Refutation
- K(d);P-FLIGHT,P_SPINQ(h),XP(D)
- Try
- Actual
- Q(B);
- Threat
- QAB(B)
- Vars
- Q(h);CHECK,OGATE::QAR(B)+P(D),XQ(h)
- Q(h);OGATE,P_SPINQ(h),XP(D)::QAR1(B),XQ(h)
- P(b);N_GUARD::QAB(B)
- P(c);N_GUARD::P(C)
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