MESON Chess Problem Database
Problem Display
PID: 33697 (2B3b1/5p2/1pRp4/1PNk4/3b4/1p3PB1/r2nQ1K1/3R4 w - - 0 1)
Markovtsy, Vassyl Yuriovich
The Problemist, 2001
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Qe4#
- 1...Bg1
- 2.Qe4#
- 1...Bb2
- 2.Qe4#
- 1...Bf2
- 2.Qe4#
- 1...Bc3
- 2.Qe4#
- 1...Bxc5
- 2.Qe4#
- 1...Be5
- 2.Qe4#
- 1...Bf6
- 2.Qe4#
- 1...Bg7
- 2.Qe4#
- 1...Bh8
- 2.Qe4#
- 1...Se4
- 2.fxe4#
- 1...bxc5
- 2.Rxd6#
- 1...dxc5
- 2.Rd6#
- 1...Ba1
- Tries
- 1.Sxb3?
- threat
- 2.Rxd6#
- 1...Bc5
- 2.Qe4#
- 1...Be5
- 2.Qc4#
- 2.Qe4#
- 1...Sc4
- 2.Rxd4#
- 1...Se4
- 2.Rxd4#
- 2.fxe4#
- 1...Sxb3!
- threat
- 1.Sa4?
- threat
- 2.Rxd6#
- 1...Bc5
- 2.Qe4#
- 1...Be5
- 2.Qc4#
- 2.Qe4#
- 1...Sc4
- 2.Sc3#
- 1...Se4
- 2.Sxb6#
- 2.fxe4#
- 1...Rxa4!
- threat
- 1.Se4?
- threat
- 2.Rxd6#
- 1...Sxe4
- 2.fxe4#
- 1...Be5
- 2.Qc4#
- 1...Sc4
- 2.Sc3#
- 2.Sf6#
- 1...Bc5!
- threat
- 1.Sa6?
- threat
- 2.Sb4#
- 2.Sc7#
- 2.Rxd6#
- 1...Ba1
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Bg1
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Bb2
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Bf2
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Bc3
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Be3
- 2.Rxd6#
- 2.Qc4#
- 1...Bc5
- 2.Qe4#
- 1...Be5
- 2.Qc4#
- 2.Qe4#
- 1...Bf6
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Bg7
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Bh8
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Ra4
- 2.Sc7#
- 2.Rxd6#
- 1...Sc4
- 2.Sb4#
- 2.Sc7#
- 1...Se4
- 2.Sb4#
- 2.Sc7#
- 2.fxe4#
- 1...Rxa6!
- threat
- 1.Se6?
- threat
- 2.Sf4#
- 2.Sc7#
- 2.Rxd6#
- 1...Ra7
- 2.Sf4#
- 2.Rxd6#
- 1...Ba1
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Bg1
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Bb2
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Bf2
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Bc3
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Be3
- 2.Rxd6#
- 2.Qc4#
- 1...Bc5
- 2.Qe4#
- 1...Be5
- 2.Qc4#
- 2.Qe4#
- 1...Bf6
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Bg7
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Bh8
- 2.Rxd6#
- 2.Qc4#
- 2.Qe4#
- 1...Sc4
- 2.Sf4#
- 2.Sc7#
- 2.Rxd4#
- 1...Se4
- 2.Sc7#
- 2.Rxd4#
- 2.fxe4#
- 1...fxe6!
- threat
- 1.Sb7?
- threat
- 2.Rxd6#
- 1...Bc5
- 2.Qe4#
- 1...Be5
- 2.Qc4#
- 2.Qe4#
- 1...Se4
- 2.fxe4#
- 1...Sc4!
- threat
- 1.Sxb3?
- Keys
- 1.Sd7!
- threat
- 2.Rxd6#
- 1...Bc5
- 2.Qe4#
- 1...Be5
- 2.Qc4#
- 1...Se4
- 2.Sxb6#
- 1...Sc4
- 2.Sf6#
- threat
- 1.Sd7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- B(d);P_SPINS(b)::QAB1(B)
- B(d);P_SPINS(b),XS(G)::QAB1(B)
- S(b);OGATE,P_PINQ(B),P_SPINB(d)::P(D),XS(b)
- P(f);SBLOCK,XS(G)::R1(H),XP(g)
- P(g);SBLOCK,XS(G)::R1(H)
- Tries
- Try
- S(G);XP(c)
- Threat
- R1(H),XP(g)
- Vars
- B(d);P_SPINS(b)::QAB1(B)
- S(b);OGATE,P_PINQ(B),P_SPINB(d)::R1(A),XB(d)
- Refutation
- S(b);P_PINQ(B),P_SPINB(d),XS(G)
- Try
- S(G);
- Threat
- R1(H),XP(g)
- Vars
- B(d);P_SPINS(b)::QAB1(B)
- S(b);P_PINQ(B),P_SPINB(d)::S(G)
- Refutation
- R(a);XS(G)
- Try
- S(G);
- Threat
- R1(H),XP(g)
- Vars
- S(b);OGATE,P_PINQ(B),P_SPINB(d),XS(G)::P(D),XS(b)
- B(d);P_SPINS(b)::QAB1(B)
- Refutation
- B(d);P_SPINS(b)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- B(d);P_SPINS(b)::QAB1(B)
- Refutation
- R(a);XS(G)
- Try
- S(G);
- Threat
- DUALS(3)
- Vars
- B(d);P_SPINS(b)::QAB1(B)
- Refutation
- P(h);XS(G)
- Try
- S(G);
- Threat
- R1(H),XP(g)
- Vars
- B(d);P_SPINS(b)::QAB1(B)
- S(b);OGATE,P_PINQ(B),P_SPINB(d)::P(D),XS(b)
- Refutation
- S(b);P_PINQ(B),P_SPINB(d)
- Try
- Actual
- S(G);
- Threat
- R1(H),XP(g)
- Vars
- B(d);P_SPINS(b)::QAB1(B)
- S(b);P_PINQ(B),P_SPINB(d)::S(G),XP(f)
- S(b);P_PINQ(B),P_SPINB(d)::S(G)
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