MESON Chess Problem Database
Problem Display
PID: 208699 (1K4b1/p1Qp4/Np4n1/1P1P1Rp1/2Nk3b/1P2R2r/r1p1p3/2B5 w - - 0 1)
Sukhodolov, Nikolai
Zadachi i Etyudi, 2019
#2
10 + 12
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Bb2#
- 1...Rb2
- 2.Bxb2#
- 1...Ra3
- 2.Bb2#
- 1...Ra4
- 2.Bb2#
- 1...Ra5
- 2.Bb2#
- 1...Rxa6
- 2.Bb2#
- 1...Sf4
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Se7
- 2.Qe5#
- 1...Sf8
- 2.Qe5#
- 1...Sh8
- 2.Qe5#
- 1...Ra1
- Tries
- 1.Sb2?
- threat
- 2.Qc3#
- 2.Qc4#
- 1...Rxe3
- 2.Qc4#
- 1...Bxd5
- 2.Qc3#
- 1...Se5
- 2.Qxe5#
- 1...e1Q
- 2.Qc4#
- 1...e1B
- 2.Qc4#
- 1...Ra4
- 2.Qc3#
- 1...Be1
- 2.Qc4#
- 1...Bg3!
- threat
- 1.Sa3?
- threat
- 2.Qc3#
- 2.Qc4#
- 1...Rxe3
- 2.Qc4#
- 1...Bxd5
- 2.Qc3#
- 1...Se5
- 2.Qxe5#
- 1...e1Q
- 2.Qc4#
- 1...e1B
- 2.Qc4#
- 1...Be1
- 2.Qc4#
- 1...Bg3!
- threat
- 1.Sa5?
- threat
- 2.Qc3#
- 2.Qc4#
- 1...Rxe3
- 2.Qc4#
- 1...Bxd5
- 2.Qc3#
- 1...Se5
- 2.Qxe5#
- 1...e1Q
- 2.Qc4#
- 1...e1B
- 2.Qc4#
- 1...Ra4
- 2.Qc3#
- 1...Be1
- 2.Qc4#
- 1...Bg3!
- threat
- 1.Se5?
- threat
- 2.Qc4#
- 1...Kxd5
- 2.Qxd7#
- 1...Bxd5
- 2.Qc3#
- 1...Sxe5
- 2.Qxe5#
- 1...Ra4!
- threat
- 1.Sxb6?
- threat
- 2.Qc3#
- 2.Qc4#
- 2.Qc5#
- 1...Rxa6
- 2.Qc3#
- 2.Qc4#
- 1...Rxe3
- 2.Qc4#
- 1...Bxd5
- 2.Rxd5#
- 2.Qc3#
- 2.Qc5#
- 1...axb6
- 2.Qxb6#
- 2.Qc3#
- 2.Qc4#
- 1...e1Q
- 2.Qc4#
- 2.Qc5#
- 1...e1B
- 2.Qc4#
- 2.Qc5#
- 1...Ra4
- 2.Qc3#
- 2.Qc5#
- 1...Be1
- 2.Qc4#
- 2.Qc5#
- 1...Se5
- 2.Qxe5#
- 2.Qc3#
- 2.Qc5#
- 1...d6
- 2.Qc3#
- 2.Qc4#
- 1...Bg3!
- threat
- 1.Sd6?
- threat
- 2.Qc3#
- 2.Qc4#
- 1...Rxe3
- 2.Qc4#
- 1...Bxd5
- 2.Qc3#
- 1...e1Q
- 2.Qc4#
- 1...e1B
- 2.Qc4#
- 1...Ra4
- 2.Qc3#
- 1...Be1
- 2.Qc4#
- 1...Se5!
- threat
- 1.Rf4+?
- 1...Kxd5
- 2.Sb4#
- 2.Qd6#
- 2.Qb7#
- 2.Qxd7#
- 1...Sxf4
- 2.Qe5#
- 1...gxf4!
- 1...Kxd5
- 1.Sb2?
- Keys
- 1.Sd2!
- threat
- 2.Qc3#
- 1...Kxe3
- 2.Qc3#
- 1...Rxe3
- 2.Qc4#
- 1...Se5
- 2.Qxe5#
- 1...Bg3
- 2.Sf3#
- threat
- 1.Sd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- R(a);N_GUARD::B(A)
- R(a);N_GUARD::B(A),XR(a)
- R(a);N_GUARD,XS(H)::B(A)
- S(i);N_GUARD::QAB1(I)
- S(i);N_GUARD::QAB1(I),XS(i)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(d);XR(C)::QAR1(I)
- B(l);XP(F)::QAB1(I)
- S(i);N_GUARD::QAB1(I),XS(i)
- P(c);::QAR1(I)
- R(a);::QAB1(I)
- B(f);::QAR1(I)
- Refutation
- B(f);P_PINQ(I)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(d);XR(C)::QAR1(I)
- B(l);XP(F)::QAB1(I)
- S(i);N_GUARD::QAB1(I),XS(i)
- P(c);::QAR1(I)
- B(f);::QAR1(I)
- Refutation
- B(f);P_PINQ(I)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(d);XR(C)::QAR1(I)
- B(l);XP(F)::QAB1(I)
- S(i);N_GUARD::QAB1(I),XS(i)
- P(c);::QAR1(I)
- R(a);::QAB1(I)
- B(f);::QAR1(I)
- Refutation
- B(f);P_PINQ(I)
- Try
- S(D);
- Threat
- QAR1(I)
- Vars
- K(e);OGATEB,P-FLIGHT,XP(F)::QAR2(I),XP(k)
- B(l);SBLOCK,XP(F)::QAB1(I)
- S(i);OGATE,XS(D)::QAB1(I),XS(i)
- Refutation
- R(a);
- Try
- S(D);XP(h)
- Threat
- DUALS(3)
- Vars
- R(d);XR(C)::QAR1(I)
- Refutation
- B(f);P_PINQ(I)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- R(d);XR(C)::QAR1(I)
- B(l);XP(F)::QAB1(I)
- P(c);::QAR1(I)
- R(a);::QAB1(I)
- B(f);::QAR1(I)
- Refutation
- S(i);
- Try
- R(G);CHECK
- Vars
- S(i);XR(G)::QAB1(I)
- Refutation
- P(g);XR(G)
- Try
- Actual
- S(D);
- Threat
- QAB1(I)
- Vars
- K(e);S_FLIGHT,XR(C)::QAR2(I)
- R(d);SBLOCK,XR(C)::QAR1(I)
- S(i);N_GUARD::QAB1(I),XS(i)
- B(f);P_PINQ(I),S_CUTR(d)::S(D)
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