MESON Chess Problem Database
Problem Display
PID: 263269 (2R5/8/B1b5/5p2/5nq1/K1p1p1r1/1NkPp2R/Q3BN2 w - - 0 1)
Viksna, Kristaps
Szachy, 1986
#2
9 + 9
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Sxe3#
- 1...Rg2
- 2.Sxe3#
- 1...Bh1
- 2.Rxc3#
- 1...Bg2
- 2.Rxc3#
- 1...Bf3
- 2.Sxe3#
- 2.Rxc3#
- 1...Ba4
- 2.Rxc3#
- 1...Be4
- 2.Rxc3#
- 1...Bb5
- 2.Rxc3#
- 1...Bd5
- 2.Rxc3#
- 1...Bb7
- 2.Rxc3#
- 1...Bd7
- 2.Rxc3#
- 1...Ba8
- 2.Rxc3#
- 1...Be8
- 2.Rxc3#
- 1...Sg2
- 2.Bd3#
- 1...Sd3
- 2.Bxd3#
- 1...Sh3
- 2.Bd3#
- 1...Sd5
- 2.Bd3#
- 1...Sh5
- 2.Bd3#
- 1...Se6
- 2.Bd3#
- 1...Sg6
- 2.Bd3#
- 1...cxb2
- 2.Rxc6#
- 1...cxd2
- 2.Rxc6#
- 1...Rg1
- Tries
- 1.Sd3?
- threat
- 2.Sb4#
- 2.Qc1#
- 1...cxd2
- 2.Sb4#
- 2.Rxc6#
- 1...exd2
- 2.Sb4#
- 1...Bb5
- 2.Sb4#
- 2.Rxc3#
- 1...Sg2
- 2.Qc1#
- 1...Sh3
- 2.Qc1#
- 1...Sd5
- 2.Qc1#
- 1...Sh5
- 2.Qc1#
- 1...Se6
- 2.Qc1#
- 1...Sg6
- 2.Qc1#
- 1...Sxd3!
- threat
- 1.Bxe2?
- threat
- 2.Qd1#
- 1...cxd2
- 2.Rxc6#
- 1...Qxe2!
- threat
- 1.Rxe2?
- threat
- 2.Qd1#
- 1...cxb2
- 2.Rxc6#
- 1...cxd2
- 2.Rxc6#
- 1...Qxe2!
- threat
- 1.dxc3?
- threat
- 2.Qd1#
- 1...Rg2
- 2.Sxe3#
- 1...Sg2
- 2.Bd3#
- 1...Bg2!
- threat
- 1.dxe3?
- threat
- 2.Qd1#
- 1...cxb2
- 2.Rxc6#
- 1...Bg2
- 2.Rxc3#
- 1...Sg2
- 2.Bd3#
- 1...Rg2!
- threat
- 1.d3?
- threat
- 2.Qd1#
- 1...cxb2
- 2.Rxc6#
- 1...Rg2
- 2.Sxe3#
- 1...Bg2
- 2.Rxc3#
- 1...Sg2!
- threat
- 1.Sd3?
- Keys
- 1.d4!
- threat
- 2.Qd1#
- 1...cxb2
- 2.Rxc6#
- 1...Rg2
- 2.Sxe3#
- 1...Bg2
- 2.Rxc3#
- 1...Sg2
- 2.Bd3#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 17
- Sets
- R(e);N_GUARD::S(C),XP(d)
- B(i);OGATE,P_SPINP(c)::R1(I),XP(c)
- S(f);N_GUARD::B(H)
- S(f);N_GUARD::B(H),XS(f)
- P(c);OGATEB,P_SPINB(i),XS(D)::R(I),XB(i)
- P(c);OGATEB,P_SPINB(i),XP(E)::R(I),XB(i)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(d);XP(E)::S(D)
- S(f);::QAR1(A)
- Refutation
- S(f);XS(D)
- Try
- B(H);XP(b)
- Threat
- QAB1(A)
- Vars
- P(c);OGATEB,P_SPINB(i),XP(E)::R(I),XB(i)
- Refutation
- Q(g);XB(H)
- Try
- R(F);XP(b)
- Threat
- QAB1(A)
- Vars
- P(c);OGATEB,P_SPINB(i),XS(D)::R(I),XB(i)
- P(c);OGATEB,P_SPINB(i),P_SPINP(c),XP(E)::R(I),XB(i)
- Refutation
- Q(g);XR(F)
- Try
- P(E);P_PINP(b),XP(c)
- Threat
- QAB1(A)
- Vars
- R(e);N_GUARD,N_SPINP(b)::S(C),XP(d)
- S(f);N_GUARD,N_SPINP(b)::B(H)
- Refutation
- B(i);N_SPINP(b)
- Try
- P(E);P_PINP(b),XP(d)
- Threat
- QAB1(A)
- Vars
- P(c);OGATEB,P_PINP(E),P_SPINB(i),XS(D)::R(I),XB(i)
- B(i);N_SPINP(b),OGATE,P_SPINP(c)::R1(I),XP(c)
- S(f);N_GUARD,N_SPINP(b)::B(H)
- Refutation
- R(e);N_SPINP(b)
- Try
- P(E);P_PINP(b)
- Threat
- QAB1(A)
- Vars
- P(c);OGATEB,P_SPINB(i),XS(D)::R(I),XB(i)
- R(e);N_GUARD,N_SPINP(b)::S(C),XP(d)
- B(i);N_SPINP(b),OGATE,P_SPINP(c)::R1(I),XP(c)
- Refutation
- S(f);N_SPINP(b)
- Try
- Actual
- P(E);P_PINP(b)
- Threat
- QAB1(A)
- Vars
- P(c);OGATEB,P_SPINB(i),XS(D)::R(I),XB(i)
- R(e);N_GUARD,N_SPINP(b)::S(C),XP(d)
- B(i);N_SPINP(b),OGATE,P_SPINP(c)::R1(I),XP(c)
- S(f);N_GUARD,N_SPINP(b)::B(H)
Developed and maintained by Brian Stephenson.
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