MESON Chess Problem Database
Problem Display
PID: 225344 (1K4N1/3p4/1QbPP3/p2Bk3/4pNPP/4R3/rR5B/b7 w - - 0 1)
Shanshin, Valery Yurevich
Praca, 1997
#2
12 + 7
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Ba4
- 2.Rxe4#
- 1...Bb5
- 2.Rxe4#
- 1...Bb7
- 2.Rxe4#
- 1...Ba8
- 2.Rxe4#
- 1...Ba4
- Tries
- 1.Sf6?
- threat
- 2.S4h5#
- 1...Kxd6
- 2.Sg6#
- 1...Kxf6
- 2.Qd4#
- 1...Bxd5
- 2.Sxd7#
- 1...Rxb2!
- threat
- 1.Bxa2?
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 1...Kxd6
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 1...Bd5!
- threat
- 1.Bb3?
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 1...Kxd6
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 1...Rxb2
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sg6#
- 1...Bd5!
- threat
- 1.Bc4?
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 1...Kxd6
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 1...Rxb2
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sg6#
- 1...Bd5!
- threat
- 1.Rb5?
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sg6#
- 1...Kxd6
- 2.Qc7#
- 1...Bxb5
- 2.Rxe4#
- 1...Bxd5
- 2.Rxd5#
- 1...Re2
- 2.Sxe2#
- 2.Sg2#
- 2.Sd3#
- 2.Sg6#
- 1...Rf2
- 2.Sd3#
- 2.Sg6#
- 1...Rg2
- 2.Sxg2#
- 2.Sd3#
- 2.Sg6#
- 1...Rxh2!
- threat
- 1.Rd3?
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 1...Kxd6
- 2.Se2#
- 2.Sg2#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 1...Rxb2
- 2.Se2#
- 2.Sg2#
- 2.Sg6#
- 1...Bxd5
- 2.Rxd5#
- 1...exd3!
- threat
- 1.Qd4+?
- 1...Kxd6
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 1...Kxd4!
- 1...Kxd6
- 1.Qc5?
- threat
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 2.Bxc6#
- 2.Rxe4#
- 1...Bxd5
- 2.Qxd5#
- 1...Ra4
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 2.Bxc6#
- 1...Ba4
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 2.Bxa2#
- 2.Bb3#
- 2.Bc4#
- 2.Bxe4#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Rxe4#
- 1...Bb5
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 2.Bxa2#
- 2.Bb3#
- 2.Bc4#
- 2.Bxe4#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 2.Rxe4#
- 1...Bb7
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 2.Bc6#
- 2.Bxb7#
- 2.Rxe4#
- 1...Ba8
- 2.Se2#
- 2.Sg2#
- 2.Sd3#
- 2.Sh3#
- 2.Sh5#
- 2.Sg6#
- 2.Bc6#
- 2.Bb7#
- 2.Bxa8#
- 2.Rxe4#
- 1...Rxb2+!
- threat
- 1.Sf6?
- Keys
- 1.Qb3!
- threat
- 2.Se2#
- 1...Kd4
- 2.Qc3#
- 1...Kxd6
- 2.Sd3#
- 1...Bxd5
- 2.Qxd5#
- threat
- 1.Qb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- B(f);::R1(C),XP(c)
- Tries
- Try
- S(L);
- Threat
- B(B)+S(D)
- Vars
- K(e);N_SPINP(c),P_SPINB(f),S_FLIGHT,XP(I)::B(B)+S(D)
- K(e);N_SPINP(c),S_FLIGHT,XS(L)::QAB(H)
- B(f);N_GUARD,XB(G)::S(L),XP(g)
- Refutation
- R(b);P_PINQ(H),XR(A)
- Try
- B(G);XR(b)
- Threat
- DUALS(6)
- Refutation
- B(f);
- Try
- B(G);
- Threat
- DUALS(6)
- Refutation
- B(f);
- Try
- B(G);
- Threat
- DUALS(6)
- Refutation
- B(f);
- Try
- R(A);
- Threat
- DUALS(4)
- Vars
- K(e);N_SPINP(c),OGATEB,P_SPINB(f),S_FLIGHT,XP(I)::QAB1(H)
- B(f);XR(A)::R1(C),XP(c)
- B(f);OGATE,P_SPINB(f),XB(G)::R1(A),XB(f)
- Refutation
- R(b);XB(B)
- Try
- R(C);N_PINP(c)
- Threat
- DUALS(5)
- Vars
- B(f);OGATE,XB(G)::R1(C),XB(f)
- Refutation
- P(c);XR(C)
- Try
- Q(H);CHECK
- Refutation
- K(e);N_SPINP(c),S_FLIGHT,XQ(H)
- Try
- Q(H);
- Threat
- DUALS(8)
- Vars
- B(f);OGATE,P_SPINB(f),XB(G)::QAR1(H),XB(f)
- Refutation
- R(b);CHECK,XR(A)
- Try
- Actual
- Q(H);
- Threat
- B(B)+S(D)
- Vars
- K(e);N_SPINP(c),S_FLIGHT::QAB1(H)
- K(e);N_SPINP(c),S_FLIGHT,XP(I)::B(B)+S(D)
- B(f);OGATE,XB(G)::QAR1(H),XB(f)
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