MESON Chess Problem Database
Problem Display
PID: 10447 (3Q1B2/b7/r7/5b1p/2N1pk1p/1R6/5NP1/3B1RK1 w - - 0 1)
Kisis, Imants J
1st HM., Shakhmaty, 1964
#2
9 + 7
| 3747 | FIDE Album (1962-1964) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bd6#
- 2.Bh6#
- 1...Ra2
- 2.Bd6#
- 2.Bh6#
- 1...Ra3
- 2.Bd6#
- 2.Bh6#
- 1...Ra4
- 2.Bd6#
- 2.Bh6#
- 1...Ra5
- 2.Bh6#
- 1...Rb6
- 2.Sh1#
- 2.Sh3#
- 2.Sg4#
- 1...Rd6
- 2.Bxd6#
- 1...Rh6
- 2.Bxh6#
- 1...Bxf2+
- 2.Rxf2#
- 1...Bb6
- 2.Bd6#
- 2.Bh6#
- 1...Bb8
- 2.Sh1#
- 2.Sh3#
- 2.Sg4#
- 1...h3
- 2.g3#
- 1...Ra1
- Tries
- 1.Kh2?
- threat
- 2.Sd3#
- 2.Sh3#
- 1...Bxf2
- 2.Rxf2#
- 1...Rf6
- 2.Sh3#
- 1...Bh3
- 2.Sd3#
- 2.Sxh3#
- 1...h3
- 2.Sd3#
- 2.Sxh3#
- 2.g3#
- 1...e3!
- threat
- 1.Re3?
- threat
- 2.Sh1#
- 2.Sd3#
- 2.Sh3#
- 2.Sxe4#
- 2.Sg4#
- 1...Rf6
- 2.Sh3#
- 2.Sxe4#
- 1...Bh3
- 2.Sh1#
- 2.Sd3#
- 2.Sxh3#
- 2.Sxe4#
- 2.Sg4#
- 1...Bg4
- 2.Sd3#
- 2.Sh3#
- 2.Sxg4#
- 1...Ra2
- 2.Sd3#
- 2.Sh3#
- 2.Bd6#
- 2.Bh6#
- 1...h3
- 2.Sh1#
- 2.Sd3#
- 2.Sxh3#
- 2.Sxe4#
- 2.Sg4#
- 2.g3#
- 1...Bxe3!
- threat
- 1.Rb6?
- threat
- 2.Sh1#
- 2.Bd6#
- 1...Kg3
- 2.Sh1#
- 2.Bd6#
- 2.Qc7#
- 2.Qd6#
- 1...Rxb6
- 2.Sh1#
- 1...Bxb6
- 2.Bd6#
- 1...Bh3
- 2.Sh1#
- 1...Be6
- 2.Sh1#
- 1...Bg6
- 2.Sh1#
- 1...Bd7
- 2.Sh1#
- 1...Bh7
- 2.Sh1#
- 1...Bc8
- 2.Sh1#
- 1...Ra2
- 2.Bd6#
- 1...Ra3
- 2.Bd6#
- 1...Ra5
- 2.Sh1#
- 1...Bb8
- 2.Sh1#
- 1...e3
- 2.Bd6#
- 1...Bg4!
- threat
- 1.Qb6?
- threat
- 2.Sh3#
- 2.Bh6#
- 1...Kg5
- 2.Bh6#
- 1...Rxb6
- 2.Sh3#
- 1...Bxb6
- 2.Bh6#
- 1...Bh3
- 2.Sxh3#
- 1...Bg4
- 2.Sh3#
- 1...Be6
- 2.Sh3#
- 1...Bg6
- 2.Sh3#
- 1...Bd7
- 2.Sh3#
- 1...Bh7
- 2.Sh3#
- 1...Bc8
- 2.Sh3#
- 1...h3
- 2.Sxh3#
- 2.Bh6#
- 1...e3!
- threat
- 1.Qc7+?
- 1...Rd6
- 2.Bh6#
- 1...Kg5!
- 1...Rd6
- 1.Qd2+?
- 1...Be3
- 2.Qxe3#
- 1...e3!
- 1...Be3
- 1.Qd6+?
- 1...Kg5
- 2.Bh6#
- 2.Be7#
- 1...Rxd6!
- 1...Kg5
- 1.Qb8+?
- 1...Rd6
- 2.Bh6#
- 1...Bxb8
- 2.Sh3#
- 1...Kg5!
- 1...Rd6
- 1.Kh2?
- Keys
- 1.Sb6!
- threat
- 2.Sg4#
- 2.Bd6#
- 1...Ke5
- 2.Qd6#
- 1...Rxb6
- 2.Sg4#
- 1...Bxb6
- 2.Bd6#
- 1...Bh3
- 2.Sg4#
- 1...Bg4
- 2.Sxg4#
- 1...Be6
- 2.Sg4#
- 1...Bg6
- 2.Sg4#
- 1...Bd7
- 2.Sg4#
- 1...Bh7
- 2.Sg4#
- 1...Bc8
- 2.Sg4#
- 1...e3
- 2.Bd6#
- 1...Ra2
- 2.Bd6#
- 1...Ra5
- 2.Sg4#
- 1...Bb8
- 2.Sg4#
- threat
- 1.Sb6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 13
- REMOVED MATES = 4
- Sets
- R(f);N_GUARD::B(I)
- R(f);N_GUARD::B(I),XR(f)
- B(g);CHECK,OGATE,P_SPINB(g),XS(D)::R(B),XB(g)
- P(c);N_GUARD::P(E)
- Tries
- Try
- K(C);N_SPINS(D),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- B(g);OGATE,P_SPINB(g),XS(D)::R(B),XB(g)
- R(f);::R(B)+S(D),DCHECK
- Refutation
- P(a);
- Try
- R(F);N_SPINS(D)
- Threat
- DUALS(5)
- Refutation
- B(g);P_PINS(D),XR(F)
- Try
- R(F);N_SPINS(D)
- Threat
- DUALS(2)
- Vars
- R(f);XR(F)::R(B)+S(D)
- B(g);P_PINS(D),XR(F)::B(I)
- B(d);::R(B)+S(D)
- R(f);::B(I)
- R(f);::R(B)+S(D)
- B(g);::R(B)+S(D)
- P(a);::B(I)
- Refutation
- B(d);
- Try
- Q(H);N_SPINS(D)
- Threat
- DUALS(2)
- Vars
- K(b);S_FLIGHT::B(I)
- R(f);XQ(H)::R(B)+S(D),DCHECK
- B(g);P_PINS(D),XQ(H)::B(I)
- B(d);::R(B)+S(D),DCHECK,XB(d)
- B(d);::R(B)+S(D),DCHECK
- Refutation
- P(a);
- Try
- Q(H);CHECK
- Vars
- R(f);P_SPINR(f)::B(I)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(H);CHECK
- Vars
- B(g);N_GUARD,P_SPINB(g)::QAB1(H),XB(g)
- Refutation
- P(a);N_PINS(D),P_SPINP(a)
- Try
- Q(H);CHECK
- Refutation
- R(f);XQ(H)
- Try
- Q(H);CHECK
- Vars
- R(f);P_SPINR(f)::B(I)
- B(g);N_PINS(D),XQ(H)::R(B)+S(D),DCHECK
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- S(G);N_SPINS(D)
- Threat
- DUALS(2)
- Vars
- K(b);S_FLIGHT::QAB1(H)
- R(f);XS(G)::R(B)+S(D)
- B(g);P_PINS(D),XS(G)::B(I)
- B(d);::R(B)+S(D)
- B(d);::R(B)+S(D),XB(d)
- P(a);::B(I)
- R(f);::B(I)
- R(f);::R(B)+S(D)
- B(g);::R(B)+S(D)
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