MESON Chess Problem Database
Problem Display
PID: 233544 (7n/1K1N4/1P1p1pb1/2pk1ppn/R7/bP1pRp1B/1pN4Q/8 w - - 0 1)
Viksna, Kristaps
Freie Presse, 1972
#2
9 + 13
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Sg3
- 2.Sxf6#
- 1...Sf4
- 2.Sxf6#
- 1...Sg7
- 2.Sxf6#
- 1...dxc2
- 2.Qd2#
- 1...d2
- 2.Qxd2#
- 1...f2
- 2.Bg2#
- 2.Qh1#
- 2.Qg2#
- 1...c4
- 2.bxc4#
- 1...f4
- 2.Be6#
- 1...Sg3
- Tries
- 1.Kc7?
- threat
- 2.Qxd6#
- 1...Sg3
- 2.Sxf6#
- 1...Sf4
- 2.Sxf6#
- 1...c4
- 2.bxc4#
- 1...f4
- 2.Be6#
- 1...Sf7!
- threat
- 1.Bg4?
- threat
- 2.Bxf3#
- 1...Sg3
- 2.Sxf6#
- 1...f2
- 2.Bf3#
- 2.Qh1#
- 2.Qg2#
- 1...f4
- 2.Be6#
- 1...fxg4!
- threat
- 1.Bxf5?
- threat
- 2.Be6#
- 2.Rxd3#
- 1...dxc2
- 2.Be6#
- 2.Rd3#
- 2.Qd2#
- 1...Bf7
- 2.Rxd3#
- 1...Sf4
- 2.Sxf6#
- 1...Sg7
- 2.Sxf6#
- 2.Rxd3#
- 1...d2
- 2.Be6#
- 2.Rd3#
- 2.Qxd2#
- 1...c4
- 2.Be6#
- 2.bxc4#
- 1...Bxf5!
- threat
- 1.Re7?
- threat
- 2.Se3#
- 1...dxc2
- 2.Qd2#
- 1...c4
- 2.bxc4#
- 1...f4
- 2.Be6#
- 1...Bb4!
- threat
- 1.Qg3?
- threat
- 2.Qxf3#
- 1...Sxg3
- 2.Sxf6#
- 1...f2
- 2.Bg2#
- 2.Qg2#
- 2.Qf3#
- 1...f4
- 2.Be6#
- 1...g4!
- threat
- 1.Qf4?
- threat
- 2.Qxf3#
- 2.Qc4#
- 1...Sxf4
- 2.Sxf6#
- 1...Sg3
- 2.Sxf6#
- 2.Qc4#
- 1...f2
- 2.Bg2#
- 2.Qf3#
- 2.Qc4#
- 1...c4
- 2.Qxf3#
- 2.Qxc4#
- 2.Qd4#
- 2.bxc4#
- 1...g4
- 2.Qc4#
- 1...gxf4!
- threat
- 1.Qh1?
- threat
- 2.Qxf3#
- 1...Sg3
- 2.Sxf6#
- 1...f4
- 2.Be6#
- 1...g4!
- threat
- 1.Qe2?
- threat
- 2.Rxd3#
- 2.Qxd3#
- 2.Qxf3#
- 1...dxc2
- 2.Rd3#
- 2.Qd3#
- 2.Qxf3#
- 2.Qc4#
- 2.Qd2#
- 1...fxe2
- 2.Bg2#
- 1...Sg3
- 2.Sxf6#
- 2.Rxd3#
- 2.Qxd3#
- 1...Sf4
- 2.Sxf6#
- 2.Qxf3#
- 1...d2
- 2.Rd3#
- 2.Qd3#
- 2.Qxf3#
- 2.Qc4#
- 2.Qxd2#
- 1...f2
- 2.Bg2#
- 2.Rxd3#
- 2.Qxd3#
- 2.Qf3#
- 1...c4
- 2.Qxf3#
- 2.bxc4#
- 1...f4
- 2.Be6#
- 1...g4
- 2.Rxd3#
- 2.Qxd3#
- 1...dxe2!
- threat
- 1.Qf2?
- threat
- 2.Qxf3#
- 1...Sg3
- 2.Sxf6#
- 1...f4
- 2.Be6#
- 1...g4!
- threat
- 1.Qg2?
- threat
- 2.Qxf3#
- 1...fxg2
- 2.Bxg2#
- 1...Sg3
- 2.Sxf6#
- 1...f4
- 2.Be6#
- 1...g4!
- threat
- 1.Kc7?
- Keys
- 1.Qd2!
- threat
- 2.Qxd3#
- 1...Sf4
- 2.Sxf6#
- 1...c4
- 2.bxc4#
- 1...f4
- 2.Be6#
- threat
- 1.Qd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- S(i);N_GUARD::S(I),XP(k)
- P(c);OGATEB,XS(A)::QAR(B)
- P(c);OGATEB::QAR(B),XP(c)
- P(e);OGATE::P(C),XP(e)
- P(g);OGATE::B(E)
- Tries
- Try
- K(H);P-FLIGHT
- Threat
- QAR1(B),XP(j)
- Vars
- S(i);N_GUARD::S(I),XP(k)
- P(e);OGATE::P(C),XP(e)
- P(g);OGATE::B(E)
- Refutation
- S(m);
- Try
- B(E);
- Threat
- B(E),XP(d)
- Vars
- S(i);N_GUARD::S(I),XP(k)
- P(g);OGATE::B(E)
- Refutation
- P(g);XB(E)
- Try
- B(E);XP(g)
- Threat
- DUALS(2)
- Vars
- B(l);::R(D),XP(c)
- S(i);N_GUARD::S(I),XP(k)
- Refutation
- B(l);XB(E)
- Try
- R(D);
- Threat
- S(A)
- Vars
- P(c);OGATEB,XS(A)::QAR(B)
- P(e);OGATE::P(C),XP(e)
- P(g);OGATE::B(E)
- Refutation
- B(b);
- Try
- Q(B);
- Threat
- QAB(B),XP(d)
- Vars
- S(i);N_GUARD,XQ(B)::S(I),XP(k)
- P(g);OGATE::B(E)
- Refutation
- P(h);
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- S(i);N_GUARD,XQ(B)::S(I),XP(k)
- P(h);::QAB1(B)
- Refutation
- P(h);XQ(B)
- Try
- Q(B);P_PINP(d)
- Threat
- QAB(B),XP(d)
- Vars
- S(i);N_GUARD::S(I),XP(k)
- P(g);OGATE::B(E)
- Refutation
- P(h);
- Try
- Q(B);
- Threat
- DUALS(3)
- Vars
- P(d);OGATEB,XQ(B)::B(E)
- P(g);OGATE::B(E)
- Refutation
- P(c);XQ(B)
- Try
- Q(B);
- Threat
- QAB(B),XP(d)
- Vars
- S(i);N_GUARD::S(I),XP(k)
- P(g);OGATE::B(E)
- Refutation
- P(h);
- Try
- Q(B);P_PINP(d)
- Threat
- QAB(B),XP(d)
- Vars
- P(d);N_SPINP(d),OGATE,XQ(B)::B(E),XP(d)
- S(i);N_GUARD::S(I),XP(k)
- P(g);OGATE::B(E)
- Refutation
- P(h);
- Try
- Actual
- Q(B);P_PINP(c)
- Threat
- QAR2(B),XP(c)
- Vars
- S(i);N_GUARD::S(I),XP(k)
- P(e);OGATE::P(C),XP(e)
- P(g);OGATE::B(E)
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CSS/Javascript (jQuery, Bootstrap & DataTables).