MESON Chess Problem Database

Problem Display
PID: 7541 (K5n1/1B4pq/1N6/BR5p/3pP3/2PkppQ1/1R4pb/7r w - - 0 1)

Mlynka, Karol

2nd Prize, Hlas l'udu, 1990

K5n1/1B4pq/1N6/BR5p/3pP3/2PkppQ1/1R4pb/7r

#2

9 + 11

702 Phenix 1992
4827 FIDE Album (1989-1991) 1997

SOLUTION

  • SOUND
  • Sets
    • 1...e2
      • 2.Qxf3#
  • Tries
    • 1.R5b4?
      • threat
        • 2.Rxd4#
      • 1...Kxc3
        • 2.R4b3#
      • 1...dxc3
        • 2.Ba6#
      • 1...e2
        • 2.Qxf3#
      • 1...Qxe4!
    • 1.Rd5?
      • threat
        • 2.Rxd4#
      • 1...Qxe4
        • 2.Ba6#
      • 1...e2
        • 2.Qxf3#
      • 1...Kxe4!
    • 1.Re5?
      • threat
        • 2.Ba6#
      • 1...Qxe4
        • 2.Bxe4#
      • 1...e2
        • 2.Qxf3#
      • 1...dxc3!
    • 1.Qe5?
      • threat
        • 2.Qxd4#
      • 1...Qxe4
        • 2.Bxe4#
        • 2.Qxe4#
      • 1...dxc3
        • 2.Rd5#
        • 2.Qxc3#
        • 2.Qd5#
      • 1...Bxe5!
    • 1.Qxf3?
      • threat
        • 2.Qe2#
      • 1...dxc3
        • 2.Rd5#
      • 1...g1S
        • 2.Qd1#
      • 1...Re1!
  • Keys
    • 1.Ba6!
      • threat
        • 2.Re5#
      • 1...Qxe4+
        • 2.Rd5#
      • 1...Kxe4
        • 2.Re5#
      • 1...dxc3
        • 2.R5b4#
      • 1...e2
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(e);OGATEB,P_SPINP(f)::QAR2(C),XP(f)
  • Tries
    • Try
      • R(F);
      • Threat
        • R1(F),XP(g)
      • Vars
        • K(d);OGATEB,P-FLIGHT,XP(B)::B(E)+R(F),DCHECK
        • P(g);SBLOCK,XP(B)::B(H)
        • P(e);OGATEB,P_SPINP(f)::QAR2(C),XP(f)
      • Refutation
        • Q(j);P_PINB(H),XP(D)
    • Try
      • R(F);P_PINP(g)
      • Threat
        • R1(F),XP(g)
      • Vars
        • Q(j);SBLOCK,XP(D)::B(H)
        • P(e);N_SPINP(g),OGATEB,P_SPINP(f)::QAR2(C),XP(f)
      • Refutation
        • K(d);N_SPINP(g),S_FLIGHT,XP(D)
    • Try
      • R(F);
      • Threat
        • B(H)
      • Vars
        • Q(j);OGATE,P_PINB(H),XP(D)::B(H),XQ(j)
        • P(e);OGATEB,P_SPINP(f)::QAR2(C),XP(f)
      • Refutation
        • P(g);XP(B)
    • Try
      • Q(C);
      • Threat
        • QAR1(C),XP(g)
      • Refutation
        • B(c);XQ(C)
    • Try
      • Q(C);P_PINP(e),XP(f)
      • Threat
        • QAB1(C)
      • Vars
        • P(g);OGATEB,XP(B)::R(F)
        • P(b);S_CUTR(a)::QAR2(C)
      • Refutation
        • R(a);
  • Actual
    • B(H);
    • Threat
      • B(H)+R(F)
    • Vars
      • Q(j);CHECK,SBLOCK,XP(D)::B(H)+R(F)
      • K(d);S_FLIGHT,XP(D)::R1(F)
      • P(g);SBLOCK,XP(B)::B(H)+R(F)
      • P(e);OGATEB,P_SPINP(f)::QAR2(C),XP(f)
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