MESON Chess Problem Database
Problem Display
PID: 166035 (3KR1N1/2B5/P4Rp1/1n1k1r2/1Pp1Np2/p1P1b3/3PQ1b1/8 w - - 0 1)
Shanshin, Valery Yurevich
Vasilenko, Anatoly Grigorovich
1st Comm., Die Schwalbe 178. (Ahues MT) TT, 2017
#2
11 + 9
| 23 | Die Schwalbe | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Rxe5#
- 1...Bxe4
- 2.Se7#
- 1...Bg1
- 2.Se7#
- 1...Bxd2
- 2.Se7#
- 1...Bf2
- 2.Se7#
- 1...Bd4
- 2.Se7#
- 1...Bb6
- 2.Se7#
- 1...Ba7
- 2.Se7#
- 1...Sxc3
- 2.Rd6#
- 1...Sd4
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sa7
- 2.Rd6#
- 1...Sxc7
- 2.Rd6#
- 1...Re5
- Tries
- 1.Sc5?
- threat
- 2.Se7#
- 1...Bxc5
- 2.Qe6#
- 1...Sxc3
- 2.Rd6#
- 1...Sd6
- 2.Rxd6#
- 1...Re5
- 2.Rxe5#
- 1...Sxc7!
- threat
- 1.Rxf5+?
- 1...Kc6
- 2.Se7#
- 1...gxf5!
- 1...Kc6
- 1.Rc6?
- threat
- 2.Qxc4#
- 1...Kxc6
- 2.Se7#
- 1...Bc5
- 2.Rxc5#
- 1...Sd6
- 2.Rxd6#
- 1...Bf1!
- threat
- 1.Qd3+?
- 1...Bd4
- 2.Se7#
- 1...Sd4
- 2.Se7#
- 2.Rd6#
- 1...cxd3!
- 1...Bd4
- 1.Qxe3?
- threat
- 2.Se7#
- 2.Qc5#
- 1...Rxf6
- 2.Qc5#
- 1...Sxc7
- 2.Rd6#
- 2.Qd4#
- 2.Qc5#
- 1...Sd6
- 2.Rxd6#
- 2.Qc5#
- 1...Re5
- 2.Rxe5#
- 1...Sd4
- 2.Se7#
- 2.Rd6#
- 2.Qxd4#
- 1...fxe3!
- threat
- 1.d3?
- threat
- 2.Se7#
- 2.dxc4#
- 1...Sxc3
- 2.Rd6#
- 1...Sxc7
- 2.Rd6#
- 2.dxc4#
- 1...cxd3
- 2.Qa2#
- 1...Sd6
- 2.Rxd6#
- 1...Re5
- 2.Rxe5#
- 1...Bc5
- 2.dxc4#
- 1...Rxf6!
- threat
- 1.a7?
- threat
- 2.a8Q#
- 2.a8B#
- 1...Bxe4
- 2.Se7#
- 2.a8Q#
- 2.a8B#
- 1...Bxd2
- 2.Se7#
- 2.a8Q#
- 2.a8B#
- 1...Bxa7
- 2.Se7#
- 1...Sxc3
- 2.Rd6#
- 1...Sxa7
- 2.Rd6#
- 1...Sxc7
- 2.Rd6#
- 1...Re5
- 2.Rxe5#
- 2.a8Q#
- 2.a8B#
- 1...Sd6
- 2.Rxd6#
- 1...Rg5
- 2.a8Q#
- 2.a8B#
- 1...Rh5
- 2.a8Q#
- 2.a8B#
- 1...Bf1
- 2.a8Q#
- 2.a8B#
- 1...Bh1
- 2.a8Q#
- 2.a8B#
- 1...Bf3
- 2.a8Q#
- 2.a8B#
- 1...Bh3
- 2.a8Q#
- 2.a8B#
- 1...Bg1
- 2.Se7#
- 2.a8Q#
- 2.a8B#
- 1...Bf2
- 2.Se7#
- 2.a8Q#
- 2.a8B#
- 1...Bd4
- 2.Se7#
- 2.a8Q#
- 2.a8B#
- 1...Bc5
- 2.a8Q#
- 2.a8B#
- 1...Bb6
- 2.Se7#
- 2.a8Q#
- 2.a8B#
- 1...Sd4
- 2.Rd6#
- 1...a2
- 2.a8Q#
- 2.a8B#
- 1...f3
- 2.a8Q#
- 2.a8B#
- 1...g5
- 2.a8Q#
- 2.a8B#
- 1...Rxf6!
- threat
- 1.Sc5?
- Keys
- 1.Sd6!
- threat
- 2.Qxc4#
- 1...Kc6
- 2.Se7#
- 1...Sxd6
- 2.Rxd6#
- 1...Bf1
- 2.Qf3#
- 1...Bc5
- 2.Se7#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 12
- Sets
- R(h);N_GUARD::R1(J),XR(h)
- B(a);SBLOCK,XS(E)::S(K)
- B(c);::S(K)
- B(c);XP(A)::S(K)
- B(c);P_PINB(H)::S(K)
- S(f);N_GUARD,XP(C)::R1(G)
- S(f);N_GUARD::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
- S(f);N_GUARD,XB(H)::R1(G)
- Tries
- Try
- S(E);
- Threat
- S(K)
- Vars
- B(c);OGATE,XS(E)::QAB1(B)
- S(f);N_GUARD,XP(C)::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
- R(h);N_GUARD::R1(J),XR(h)
- Refutation
- S(f);XB(H)
- Try
- R(G);CHECK,XR(h)
- Vars
- K(g);S_FLIGHT::S(K)
- Refutation
- P(i);XR(G)
- Try
- R(G);
- Threat
- QAB1(B),XP(d)
- Vars
- K(g);S_FLIGHT,XR(G)::S(K)
- B(c);N_GUARD::R1(G),XB(c)
- S(f);N_GUARD::R1(G),XS(f)
- Refutation
- B(a);
- Try
- Q(B);CHECK
- Vars
- B(c);P_SPINB(c)::S(K)
- Refutation
- P(d);XQ(B)
- Try
- Q(B);XB(c)
- Threat
- DUALS(2)
- Vars
- R(h);XR(G)::QAR1(B)
- R(h);N_GUARD::R1(J),XR(h)
- Refutation
- P(e);XQ(B)
- Try
- P(A);
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD,XP(C)::R1(G)
- P(d);OGATEB,XP(A)::QAB(B)
- S(f);N_GUARD::R1(G),XS(f)
- R(h);N_GUARD::R1(J),XR(h)
- B(c);::P(A),XP(d)
- Refutation
- R(h);XR(G)
- Try
- P(F);
- Threat
- P=Q
- Vars
- B(c);XP(F)::S(K)
- S(f);N_GUARD,XP(C)::R1(G)
- S(f);N_GUARD,XP(F)::R1(G)
- S(f);N_GUARD,XB(H)::R1(G)
- S(f);N_GUARD::R1(G),XS(f)
- R(h);::P=Q
- B(a);::P=Q
- B(c);::P=Q
- S(f);N_GUARD::R1(G)
- P(b);::P=Q
- P(e);::P=Q
- P(i);::P=Q
- Refutation
- R(h);XR(G)
- Try
- Actual
- S(E);
- Threat
- QAB1(B),XP(d)
- Vars
- K(g);S_FLIGHT::S(K)
- S(f);OGATE,XS(E)::R1(G),XS(f)
- B(a);N_GUARD::QAB(B)
- B(c);::S(K)
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