MESON Chess Problem Database
Problem Display
PID: 57830 (2NbrR1n/K1P1pbn1/7B/3Pk3/5RP1/p1P1NP2/2p1Q1P1/3r4 w - - 0 1)
Markovtsy, Vassyl Yuriovich
3rd HM., idee & form, 2002-2003
#2
13 + 10
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.cxd4#
- 1...Rxd5
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 1...Bxd5
- 2.Sc4#
- 1...Bh5
- 2.Bxg7#
- 2.Re4#
- 1...Be6
- 2.Bxg7#
- 2.Re4#
- 1...Bg6
- 2.Bxg7#
- 1...Bg8
- 2.Bxg7#
- 2.Re4#
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...Se6
- 2.Rf5#
- 1...Rd4
- Tries
- 1.Bg5?
- threat
- 2.Re4#
- 1...Bxd5
- 2.Sc4#
- 1...Rd4
- 2.cxd4#
- 1...Bg6!
- threat
- 1.R4xf7?
- threat
- 2.Bf4#
- 2.Bxg7#
- 1...Rxd5
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 2.Sf5#
- 1...Rd4
- 2.Bxg7#
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...Se6
- 2.Rf5#
- 1...Sg6
- 2.Bxg7#
- 1...e6
- 2.Bf4#
- 1...Sxf7!
- threat
- 1.R8xf7?
- threat
- 2.Bxg7#
- 2.Re4#
- 1...Rxd5
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 2.Sf5#
- 2.Re4#
- 1...Rd4
- 2.Bxg7#
- 2.cxd4#
- 1...Rg8
- 2.Re4#
- 1...Sf5
- 2.Re4#
- 2.R4xf5#
- 2.R7xf5#
- 1...Sh5
- 2.Re4#
- 2.R4f5#
- 2.R7f5#
- 1...Se6
- 2.Re4#
- 2.R4f5#
- 2.R7f5#
- 1...e6
- 2.Re4#
- 1...Sxf7!
- threat
- 1.Qc4?
- threat
- 2.Bxg7#
- 2.Qe4#
- 1...Rxd5
- 2.Qe4#
- 1...Sf5
- 2.Rxf5#
- 1...Rd4
- 2.Qxd4#
- 2.cxd4#
- 1...Bg6
- 2.Bxg7#
- 1...Sh5
- 2.Rf5#
- 2.Qe4#
- 1...Se6
- 2.Rf5#
- 2.Qe4#
- 1...e6
- 2.Qe4#
- 1...Bxd5!
- threat
- 1.Qb5?
- threat
- 2.Sc4#
- 1...Bxd5
- 2.Re4#
- 1...Sf5
- 2.Rxf5#
- 1...Rd4
- 2.cxd4#
- 1...Rxd5!
- threat
- 1.g3?
- threat
- 2.Bxg7#
- 1...Rxd5
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sg2#
- 2.Sc4#
- 1...Bxd5
- 2.Sc4#
- 1...Sf5
- 2.Rxf5#
- 1...Sh5
- 2.Rf5#
- 1...Se6
- 2.Rf5#
- 1...e6!
- threat
- 1.cxd8Q?
- threat
- 2.Sxd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 2.Qc7#
- 1...Rxd5
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 2.Sxd5#
- 1...Bxd5
- 2.Sc4#
- 2.Sxd5#
- 1...Sf5
- 2.Rxf5#
- 1...c1Q
- 2.Sc4#
- 2.Qc7#
- 1...c1S
- 2.Sc4#
- 2.Qc7#
- 1...c1B
- 2.Sc4#
- 2.Qc7#
- 1...c1R
- 2.Sxd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sc4#
- 2.Qc7#
- 1...Ra1
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 2.Qc7#
- 1...Rb1
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 2.Qc7#
- 1...Rc1
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 2.Qc7#
- 1...Re1
- 2.Sc4#
- 2.Qc7#
- 1...Rf1
- 2.Sd1#
- 2.Sxf1#
- 2.Sxc2#
- 2.Sc4#
- 2.Qc7#
- 1...Rg1
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 2.Qc7#
- 1...Rh1
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 2.Qc7#
- 1...Rd2
- 2.Sc4#
- 2.Qc7#
- 1...Rd3
- 2.Sc4#
- 2.Qc7#
- 1...Rd4
- 2.Sc4#
- 2.Qc7#
- 2.cxd4#
- 1...Bg6
- 2.Sc4#
- 2.Sf5#
- 2.Bxg7#
- 2.Qc7#
- 1...Se6
- 2.Sxd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 2.Rf5#
- 1...Rxd8!
- threat
- 1.cxd8S?
- threat
- 2.Sc6#
- 1...Rxd5
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 1...Bxd5
- 2.Sc4#
- 2.Bxg7#
- 1...Sf5
- 2.Rxf5#
- 1...Rxd8!
- threat
- 1.cxd8B?
- threat
- 2.Bc7#
- 1...Rxd5
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 1...Bxd5
- 2.Sc4#
- 1...Sf5
- 2.Rxf5#
- 1...Se6
- 2.Rf5#
- 1...Rxd8!
- threat
- 1.cxd8R?
- threat
- 2.Sxd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 1...Rxd5
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 2.Sxd5#
- 1...Bxd5
- 2.Sc4#
- 2.Sxd5#
- 1...Sf5
- 2.Rxf5#
- 1...c1Q
- 2.Sc4#
- 1...c1S
- 2.Sc4#
- 1...c1B
- 2.Sc4#
- 1...c1R
- 2.Sxd1#
- 2.Sf1#
- 2.Sc2#
- 2.Sc4#
- 1...Ra1
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 1...Rb1
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 1...Rc1
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 1...Re1
- 2.Sc4#
- 1...Rf1
- 2.Sd1#
- 2.Sxf1#
- 2.Sxc2#
- 2.Sc4#
- 1...Rg1
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 1...Rh1
- 2.Sd1#
- 2.Sf1#
- 2.Sxc2#
- 2.Sc4#
- 1...Rd2
- 2.Sc4#
- 1...Rd3
- 2.Sc4#
- 1...Rd4
- 2.Sc4#
- 2.cxd4#
- 1...Bg6
- 2.Sc4#
- 2.Sf5#
- 2.Bxg7#
- 1...Rxd8!
- threat
- 1.Bg5?
- Keys
- 1.Qa6!
- threat
- 2.Re4#
- 1...Bxd5
- 2.Bxg7#
- 1...Rd4
- 2.cxd4#
- 1...Bg6
- 2.Bxg7#
- 1...Se6
- 2.Rf5#
- 1...e6
- 2.Qd6#
- threat
- 1.Qa6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 2
- Sets
- R(a);OGATE::P(C),XR(a)
- B(f);SBLOCK,XP(H)::QAR(A)+S(D),DCHECK
- B(f);::B(I),XS(g)
- S(g);N_GUARD::R1(F),XS(g)
- S(g);N_GUARD::R1(F)
- Tries
- Try
- B(I);
- Threat
- R1(F)
- Vars
- B(f);SBLOCK,XP(H)::QAR(A)+S(D),DCHECK
- R(a);OGATE::P(C),XR(a)
- Refutation
- B(f);
- Try
- R(F);XB(f)
- Threat
- DUALS(2)
- Vars
- R(a);::B(I),XS(g)
- S(g);N_GUARD::R1(F),XS(g)
- S(g);N_GUARD::R1(F)
- S(j);::B(I),XS(g)
- P(e);::B(I)
- Refutation
- S(j);XR(F)
- Try
- R(M);XB(f)
- Threat
- DUALS(2)
- Vars
- R(i);::R1(F)
- P(e);::R1(F)
- Refutation
- S(j);XR(M)
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- R(a);XP(H)::QAR1(A)
- S(g);N_GUARD::R1(F),XS(g)
- B(f);::B(I),XS(g)
- P(e);::QAR1(A)
- Refutation
- B(f);XP(H)
- Try
- Q(A);
- Threat
- S(D)
- Vars
- B(f);P_SPINB(f),XP(H)::R1(F)
- S(g);N_GUARD::R1(F),XS(g)
- R(a);OGATE::P(C),XR(a)
- Refutation
- R(a);P_SPINR(a),XP(H)
- Try
- P(B);
- Threat
- B(I),XS(g)
- Vars
- B(f);SBLOCK,XP(H)::QAR(A)+S(D),DCHECK
- S(g);N_GUARD::R1(F),XS(g)
- S(g);N_GUARD::R1(F)
- Refutation
- P(e);
- Try
- P(K);XB(h)
- Threat
- DUALS(5)
- Vars
- S(g);N_GUARD::R1(F),XS(g)
- Refutation
- R(i);XQ(K)
- Try
- P(K);XB(h)
- Threat
- S(K)
- Vars
- S(g);N_GUARD::R1(F),XS(g)
- Refutation
- R(i);XS(K)
- Try
- P(K);XB(h)
- Threat
- B(K)
- Vars
- B(f);SBLOCK,XP(H)::QAR(A)+S(D),DCHECK
- S(g);N_GUARD::R1(F),XS(g)
- S(g);N_GUARD::R1(F)
- Refutation
- R(i);XB(K)
- Try
- P(K);XB(h)
- Threat
- DUALS(4)
- Vars
- S(g);N_GUARD::R1(F),XS(g)
- P(b);::QAR(A)+S(D),DCHECK
- R(a);::QAR(A)+S(D),DCHECK
- Refutation
- R(i);XR(K)
- Try
- Actual
- Q(A);
- Threat
- R1(F)
- Vars
- B(f);XP(H)::B(I),XS(g)
- R(a);OGATE::P(C),XR(a)
- B(f);::B(I),XS(g)
- S(g);N_GUARD::R1(F)
- P(e);N_GUARD::QAB1(A)
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