MESON Chess Problem Database
Problem Display
PID: 135751 (8/5Q2/3Bn3/1N6/2p1k2n/R3P3/2K5/3R4 w - - 0 1)
Ancin, Andrej
L'Italia Scacchistica, 1964
#2
7 + 4
| 14649 | Andrej Ancin - Chess Compositions | 2008 |
SOLUTION
- SOUND
- Sets
- 1...Sf3
- 2.Qg6#
- 2.Qh7#
- 1...Sf5
- 2.Qb7#
- 1...Sd4+
- 2.Rxd4#
- 1...Sf4
- 2.Qxf4#
- 1...Sc5
- 2.Rd4#
- 2.Qd5#
- 2.Qf4#
- 1...Sg5
- 2.Rd4#
- 2.Qd5#
- 2.Qf4#
- 1...Sc7
- 2.Rd4#
- 2.Qf4#
- 1...Sg7
- 2.Rd4#
- 2.Qd5#
- 2.Qf4#
- 1...Sd8
- 2.Rd4#
- 2.Qd5#
- 2.Qf4#
- 1...Sf8
- 2.Rd4#
- 2.Qd5#
- 2.Qf4#
- 1...Sf3
- Tries
- 1.Bh2?
- threat
- 2.Sd6#
- 1...Sd4+
- 2.Rxd4#
- 1...Sf5
- 2.Qb7#
- 1...Sf4
- 2.Qxf4#
- 1...c3!
- threat
- 1.Bg3?
- threat
- 2.Sd6#
- 1...Sd4+
- 2.Rxd4#
- 1...Sf5
- 2.Qb7#
- 1...Sf4
- 2.Qxf4#
- 1...c3!
- threat
- 1.Rf1?
- threat
- 2.Qxe6#
- 2.Qb7#
- 1...Kd5
- 2.Qb7#
- 1...c3
- 2.Qxe6#
- 1...Sf3
- 2.Qxf3#
- 1...Sg6
- 2.Qf3#
- 2.Qf5#
- 2.Qb7#
- 1...Sf4
- 2.Rxf4#
- 1...Sc5
- 2.Rf4#
- 2.Qxc4#
- 1...Sg5
- 2.Rf4#
- 2.Qxc4#
- 2.Qb7#
- 1...Sc7
- 2.Rf4#
- 2.Qxc4#
- 1...Sg7
- 2.Rf4#
- 2.Qxc4#
- 2.Qb7#
- 1...Sd8
- 2.Rf4#
- 2.Qxc4#
- 1...Sf8
- 2.Rf4#
- 2.Qxc4#
- 2.Qb7#
- 1...Sd4+!
- threat
- 1.Rdd3?
- threat
- 2.Sc3#
- 1...Sd4+
- 2.Rxd4#
- 1...Sf5
- 2.Qb7#
- 1...Sf4
- 2.Qxf4#
- 1...c3
- 2.Sxc3#
- 1...cxd3+!
- threat
- 1.Rd5?
- threat
- 2.Re5#
- 1...Sd4+
- 2.Rxd4#
- 1...Kxd5
- 2.Qb7#
- 1...Sf5
- 2.Qxf5#
- 1...Sf3
- 2.Qf5#
- 1...Sg6
- 2.Qf5#
- 1...Sf4!
- threat
- 1.Qh5?
- threat
- 2.Qd5#
- 1...Sd4+
- 2.Rxd4#
- 1...Sg5
- 2.Qg4#
- 1...Sf5
- 2.Qh1#
- 1...Sf4
- 2.Rd4#
- 1...Sc7
- 2.Rd4#
- 2.Qg4#
- 1...c3!
- threat
- 1.Qf2?
- threat
- 2.Sc3#
- 1...Sd4+
- 2.Rxd4#
- 1...Sf4
- 2.Qxf4#
- 1...c3
- 2.Sxc3#
- 1...Sf3!
- threat
- 1.Bh2?
- Keys
- 1.Re1!
- threat
- 2.Sc3#
- 1...Sd4+
- 2.exd4#
- 1...Kd5
- 2.Qb7#
- 1...Sf5
- 2.Qb7#
- 1...Sf4
- 2.exf4#
- 1...c3
- 2.Sxc3#
- threat
- 1.Re1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(c);SBLOCK::QAB(G)
- S(d);CHECK,N_GUARD::R1(A),XS(d)
- S(d);N_GUARD::QAR1(G),XS(d)
- Tries
- Try
- B(F);
- Threat
- S(E)
- Vars
- S(d);CHECK,N_GUARD::R1(A),XS(d)
- S(c);SBLOCK::QAB(G)
- S(d);N_GUARD::QAR1(G),XS(d)
- Refutation
- P(a);
- Try
- B(F);
- Threat
- S(E)
- Vars
- S(d);CHECK,N_GUARD::R1(A),XS(d)
- S(c);SBLOCK::QAB(G)
- S(d);N_GUARD::QAR1(G),XS(d)
- Refutation
- P(a);
- Try
- R(A);
- Threat
- DUALS(2)
- Vars
- K(b);P_SPINS(d),S_FLIGHT::QAB(G)
- P(a);::QAR2(G),XS(d)
- S(c);N_GUARD::QAB1(G),XS(c)
- S(d);N_GUARD::R1(A),XS(d)
- Refutation
- S(d);CHECK
- Try
- R(A);
- Threat
- S(E)
- Vars
- S(d);CHECK,N_GUARD::R1(A),XS(d)
- S(c);SBLOCK::QAB(G)
- S(d);N_GUARD::QAR1(G),XS(d)
- P(a);::S(E),XP(a)
- Refutation
- P(a);CHECK,XR(A)
- Try
- R(A);
- Threat
- R1(A)
- Vars
- S(d);CHECK,N_GUARD::R1(A),XS(d)
- K(b);OGATEB,P_SPINS(d),S_FLIGHT,XR(A)::QAB(G)
- S(c);N_GUARD::QAB1(G),XS(c)
- S(c);N_GUARD::QAB1(G)
- Refutation
- S(d);
- Try
- Q(G);
- Threat
- QAB1(G)
- Vars
- S(d);CHECK,N_GUARD::R1(A),XS(d)
- S(d);N_GUARD::QAR2(G)
- S(c);OGATE,SBLOCK::QAB(G)
- S(d);N_GUARD::R1(A)
- Refutation
- P(a);
- Try
- Q(G);
- Threat
- S(E)
- Vars
- S(d);CHECK,N_GUARD::R1(A),XS(d)
- S(d);N_GUARD::QAR1(G),XS(d)
- P(a);::S(E),XP(a)
- Refutation
- S(c);
- Try
- Actual
- R(A);
- Threat
- S(E)
- Vars
- S(d);CHECK,OGATE::R(A)+P(D),XS(d)
- K(b);P_SPINS(d),S_FLIGHT::QAB(G)
- S(c);SBLOCK::QAB(G)
- S(d);OGATE::R(A)+P(D),XS(d)
- P(a);::S(E),XP(a)
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