MESON Chess Problem Database

Problem Display
PID: 166811 (b6R/2N1Q1B1/5rq1/K2P1pp1/3k4/1P1P4/2p4R/2N1n3 w - - 0 1)

Romanovskis, Vladimirs

Sachmatija, 2010

b6R/2N1Q1B1/5rq1/K2P1pp1/3k4/1P1P4/2p4R/2N1n3

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Qe5#
    • 1...Qh5
      • 2.Bxf6#
    • 1...Qh7
      • 2.Bxf6#
    • 1...Qe8
      • 2.Bxf6#
    • 1...Bxd5
      • 2.Sb5#
    • 1...Sxd3
      • 2.Se2#
  • Tries
    • 1.Rxc2?
      • threat
        • 2.Rc4#
      • 1...Bxd5
        • 2.Sb5#
      • 1...Sxc2!
    • 1.Rd2?
      • threat
        • 2.Se2#
      • 1...Qh5
        • 2.Bxf6#
      • 1...Kc3!
    • 1.Re2?
      • threat
        • 2.Qb4#
      • 1...Kc3
        • 2.Qe5#
      • 1...Bxd5
        • 2.Sb5#
      • 1...Sxd3!
    • 1.R8h3?
      • threat
        • 2.Se2#
      • 1...Kc3
        • 2.Qe5#
      • 1...Qh5
        • 2.Bxf6#
      • 1...Sf3!
    • 1.Rd8?
      • threat
        • 2.Sb5#
      • 1...Kc3
        • 2.Qe5#
      • 1...Qe8
        • 2.Bxf6#
      • 1...Bc6!
    • 1.Qb4+?
      • 1...Ke5
        • 2.Re2#
      • 1...Ke3!
    • 1.Qe3+?
      • 1...Kc3
        • 2.Qe5#
      • 1...Kxe3!
    • 1.Qe4+?
      • 1...Kc3
        • 2.Qe5#
      • 1...Kc5
        • 2.Qb4#
      • 1...fxe4!
    • 1.Qe5+?
      • 1...Kc5
        • 2.b4#
        • 2.d4#
      • 1...Kxe5!
  • Keys
    • 1.Re8!
      • threat
        • 2.Qb4#
      • 1...Kc3
        • 2.Qe5#
      • 1...Qxe8
        • 2.Bxf6#
      • 1...Bxd5
        • 2.Sb5#
      • 1...Sxd3
        • 2.Se2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • K(c);S_FLIGHT::QAB(H)
    • Q(g);N_GUARD::B(I),XR(f)
    • B(h);SBLOCK,XP(F)::S(G)
    • S(a);SBLOCK,XP(D)::S(A)
  • Tries
    • Try
      • R(B);XP(b)
      • Threat
        • R1(B)
      • Vars
        • B(h);SBLOCK,XP(F)::S(G)
      • Refutation
        • S(a);XR(B)
    • Try
      • R(B);
      • Threat
        • S(A)
      • Vars
        • Q(g);N_GUARD::B(I),XR(f)
      • Refutation
        • K(c);S_FLIGHT
    • Try
      • R(B);
      • Threat
        • QAR2(H)
      • Vars
        • K(c);S_FLIGHT::QAB(H)
        • B(h);SBLOCK,XP(F)::S(G)
      • Refutation
        • S(a);XP(D)
    • Try
      • R(J);
      • Threat
        • S(A)
      • Vars
        • K(c);S_FLIGHT::QAB(H)
        • Q(g);N_GUARD::B(I),XR(f)
      • Refutation
        • S(a);
    • Try
      • R(J);
      • Threat
        • S(G)
      • Vars
        • K(c);S_FLIGHT::QAB(H)
        • Q(g);N_GUARD::B(I),XR(f)
      • Refutation
        • B(h);
    • Try
      • Q(H);CHECK
      • Vars
        • K(c);S_FLIGHT::R(B)
      • Refutation
        • K(c);N_SPINR(f),S_FLIGHT
    • Try
      • Q(H);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB(H)
      • Refutation
        • K(c);N_SPINR(f),S_FLIGHT,XQ(H)
    • Try
      • Q(H);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB(H)
        • K(c);N_SPINR(f),OGATE,S_FLIGHT::QAB1(H)
      • Refutation
        • P(d);XQ(H)
    • Try
      • Q(H);CHECK,N_PINR(f)
      • Refutation
        • K(c);P_SPINR(f),S_FLIGHT,XQ(H)
  • Actual
    • R(J);
    • Threat
      • QAR2(H)
    • Vars
      • K(c);S_FLIGHT::QAB(H)
      • Q(g);N_GUARD,XR(J)::B(I),XR(f)
      • B(h);SBLOCK,XP(F)::S(G)
      • S(a);SBLOCK,XP(D)::S(A)
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