MESON Chess Problem Database
Problem Display
PID: 197065 (6b1/4pR1p/6kP/5RPp/2r5/pN1P3B/Kb2NB1r/8 w - - 0 1)
Stepanov, AS
Zadachi i Etyudi, 1996
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Sf4#
- 1...Rc2
- 2.Sf4#
- 1...Rc3
- 2.Sf4#
- 2.Rg7#
- 1...Rd4
- 2.Rg7#
- 1...Rf4
- 2.Sxf4#
- 1...Rc5
- 2.Sf4#
- 1...Rc6
- 2.Sf4#
- 1...Rc7
- 2.Sf4#
- 1...Rc8
- 2.Sf4#
- 1...Bc1
- 2.Rg7#
- 1...Bd4
- 2.Sf4#
- 1...Bg7
- 2.Rxg7#
- 1...e5
- 2.R7f6#
- 2.Rg7#
- 1...Rc1
- Tries
- 1.Sbd4?
- threat
- 2.Sf4#
- 2.Rg7#
- 1...Rxf2
- 2.Rg7#
- 1...Bxd4
- 2.Sf4#
- 1...Bxf7
- 2.Sf4#
- 1...h4
- 2.Sf4#
- 1...Rc1
- 2.Sf4#
- 1...Rc2
- 2.Sf4#
- 1...Rc3
- 2.Sf4#
- 1...Ra4
- 2.Sf4#
- 1...Rb4
- 2.Sf4#
- 1...Rc5
- 2.Sf4#
- 1...Rc6
- 2.Sf4#
- 1...Rc7
- 2.Sf4#
- 1...Rc8
- 2.Sf4#
- 1...Bc1
- 2.Rg7#
- 1...e5
- 2.R7f6#
- 2.Rg7#
- 1...Rxd4!
- threat
- 1.Bd4?
- threat
- 2.Sf4#
- 2.Rg7#
- 1...Rxe2
- 2.Rg7#
- 1...Rxh3
- 2.Sf4#
- 1...Rxd4
- 2.Rg7#
- 1...Bxf7
- 2.Sf4#
- 1...h4
- 2.Sf4#
- 1...Rf2
- 2.Rg7#
- 1...Ba1
- 2.Rg7#
- 1...Bc1
- 2.Rg7#
- 1...Bc3
- 2.Rg7#
- 1...e5
- 2.R7f6#
- 2.Rg7#
- 1...Bxd4!
- threat
- 1.Sbd4?
- Keys
- 1.d4!
- threat
- 2.Sf4#
- 2.Rg7#
- 1...Rxf2
- 2.Rg7#
- 1...Rxh3
- 2.Sf4#
- 1...Rxd4
- 2.Rg7#
- 1...Bxd4
- 2.Sf4#
- 1...Bxf7
- 2.Sf4#
- 1...h4
- 2.Sf4#
- 1...Bc1
- 2.Rg7#
- 1...e5
- 2.R7f6#
- 2.Rg7#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- R(d);N_GUARD::S(B)
- R(d);S_CUTB(a)::R1(J)
- R(d);N_GUARD::S(B),XR(d)
- B(a);N_GUARD::R1(J)
- B(a);S_CUTR(d)::S(B)
- B(a);N_GUARD::R1(J),XB(a)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(b);XB(C)::R1(J)
- B(a);XS(D)::S(B)
- B(i);XR(J)::S(B)
- P(e);::S(B)
- R(d);P_PINR(J)::S(B)
- B(a);::R1(J)
- Refutation
- R(d);P_PINR(J),XS(D)
- Try
- B(C);
- Threat
- DUALS(2)
- Vars
- R(b);XS(B)::R1(J)
- R(b);XB(F)::S(B)
- R(d);XB(C)::R1(J)
- B(i);XR(J)::S(B)
- P(e);::S(B)
- R(b);::R1(J)
- B(a);P_PINS(B)::R1(J)
- Refutation
- B(a);P_PINS(B),XB(C)
- Try
- Actual
- P(E);
- Threat
- DUALS(2)
- Vars
- R(b);XB(C)::R1(J)
- R(b);XB(F)::S(B)
- R(d);XP(E)::R1(J)
- B(a);XP(E)::S(B)
- B(i);XR(J)::S(B)
- P(e);::S(B)
- B(a);::R1(J)
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